The range for the upper tail area was found to be between 0.10 and 0.20. Since a two-tailed test is being performed, these values should be doubled to find the range where the p-value is. Therefore, the p-value for the test statistic t = 1.172 and 57 degrees of freedom will lie in the following range. p-value > 0.400 0.200 < p-value < 0.400 0.100 < p-value < 0.200 0.050 < p-value < 0.100 0.020 < p-value < 0.050 p-value < 0.020 x
Answers
Therefore, the for the test statistic will be in the range 0-200 < 0.246 < 0.400 under t = 1.172 and 57 degrees of freedom. Here option C is the correct answer.
The mange for the upper-tail area was to be between. found is being performed, these values should be doubled to find the 010 and 0.20.
Since the two-tailed test
Manage where the P-value is.
Double value fox, two-tail → 0.10 × 2 and 0.20 × 2
= 0.20 and 0.40
t = 1.172 and Degree of freedom: 57
Using the t-distribution table at df = 57 and
t = 1172 the two-tailed P value is 0.2461
Which is in the range of 0.200 and 0.400
So, 0.200 < p-value < 0.400
0-200 < 0.246 < 0.400
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Related Questions
0.4y = 1.2
can someone laso maybe show the work?
Answers
Answer:
3
Step-by-step explanation:
1.2/0.4=3, isolate the y to get the answer. Please mark brainliest!
You can convert gallons to liters by using a factor of 3.79. That is, 1 gallon is about 3.79 liters. About how many liters are in 37 gallons? Is your answer an underestimate or overestimate? Explain.
Answers
140.23 liters are in 37 gallons
We have been given you can convert gallons to liters by using a factor of 3.79
That is, 1 gallon = 3.79 liters.
We need to find the amount of liters in 37 gallons.
Let 37 gallons = x liters
As we know 1 gallon = 3.79 liters.
So, by Unitary method,
x = 37 * 3.79
x = 140.23 liters
Therefore, 140.23 liters are in 37 gallons
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Of the 650 students at Westmoreland
Junior High, 4% will receive a perfect
attendance award. How many students will
receive the award?
Answers
Answer:
26 Students
Step-by-step explanation:
4% is also 0.04 multiplied by the number of students. 650 * 0.04 = 26
Due to an economic downturn, a company had to decrease its staff from 166 employees to 12 employees. What was the percentage decrease in staff? Round your answer to the nearest tenth.
Answers
To calculate percentage decrease, we will use the formula;
\(\text{percentage decrease = }\frac{decrease}{\text{original number}}\times100percent\)decrease = original number - new number
= 166 - 12 =154
\(\text{percentage decrease = }\frac{154}{166}\text{ }\times100percent\)=92.8%
Is-5 a solution to the equation 6x+5=5x+8+2 x? Explain. please help asap
Answers
Answer:
6x+5=5x+8+2x
x= -3
Step-by-step explanation:
use like terms so add 5x+2x=7x
6x+5=7x+8
subtract 5 from both sides
6x+5-5=7x+8-5
simplify
-x = 3
divide both sides by -1
-x/-1 = 3/-1
x= -3
so no -5 is not a solution
Three quantities A,B,C are expressed as: A=a^3e1 −a^1e2 +a^2e3 B=b1 e1 +b2 e2 +b1 e3 C=c^1e1 +c^2e2 +c^3e3 Specify which one of ones cannot be a vector and why
Answers
The quantity that cannot be a vector is B. In order to qualify as a vector, a quantity must obey the following rules: A vector has both magnitude and direction. In the case of B, it lacks the terms in the third direction and, therefore, does not have the correct number of terms.
As a result, it does not have a magnitude or a direction and cannot be classified as a vector.
A vector can be added to another vector, and the result is still a vector.
Since B is not a vector, it cannot be added to another vector to create a new vector.
A vector can be multiplied by a scalar, and the result is still a vector. B does not satisfy this property either, since the scalar multiplication of B would be equal to an object with just two terms which can't be classified as a vector.
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Point A lies on the circle and has an x-coordinate of 1.
Which is the correct calculation of the y-coordinate of point A?
Answers
Answer:
y=0
correct way to solve it is y= xtan(theta)
Step-by-step explanation:
You did not mention if it is trigonometry but we assume that it is.
In trigonometry, a point with x-coordinate = 1 at a circle is horizontal line. the angle at this point is 0.
The correct way to solve it is to say tan = opposite/adjacent
since the angle is zero, and adjacent side x=0, tan 0=opposite/1
opposite (y) = 1 tan 0
y = 1*0 =0
Answer:
d
Step-by-step explanation:
u do the thing and u do it right and somehow it equals 2 (edge 2022)
Use the counterexample method to prove the following categorical syllogisms invalid. In doing so, follow the suggestions given in the text.
Some farm workers are not people who are paid decent wages, because no undocumented individuals are people who are paid decent wages, and some undocumented individuals are not farm workers.
Answers
To prove that the given categorical syllogism invalid using the counterexample method, we first need to check whether the syllogism follows the standard form of categorical syllogisms. The standard form of categorical syllogism is:
Premise 1: All A are B. (Major Premise)
Premise 2: All C are A. (Minor Premise)
Conclusion: All C are B.
Let's represent the given syllogism in the standard form:
Premise 1: No undocumented individuals are people who are paid decent wages. (Major Premise)
Premise 2: Some undocumented individuals are not farm workers. (Minor Premise)
Conclusion: Some farm workers are not people who are paid decent wages.
Now, we will use the counterexample method to disprove the given syllogism. We will use real-world examples that will make the premises true but will make the conclusion false. Suppose Premise 1 is "No birds can swim." and Premise 2 is "Some penguins are not birds". Then, the Conclusion will be "Some penguins cannot swim." which is true. Here, we see that the premises are true, and the conclusion is also true.
Let's take another example. Suppose Premise 1 is "No reptiles can fly." and Premise 2 is "Some birds are reptiles." Then, the Conclusion will be "Some birds cannot fly." which is false. Here, we see that the premises are true, but the conclusion is false.
Hence, the syllogism is invalid. Using the same method, we can disprove the given syllogism. Some farm workers are not people who are paid decent wages, because no undocumented individuals are people who are paid decent wages, and some undocumented individuals are not farm workers.
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find the first and second derivative of the function. g(r) = r 3 r g'(r) = g''(r) =
Answers
The first derivative of g(r) is g'(r) = 3 * r², and the second derivative of g(r) is g''(r) = 6 * r.
To find the first and second derivatives of the function g(r) = r³, we can apply the power rule of differentiation. The power rule states that if we have a function of the form f(x) = xⁿ, where n is a constant, then the derivative of f(x) with respect to x is given by f'(x) = n * xⁿ⁻¹.
Let's find the first derivative of g(r) = r³:
g'(r) = 3 * r³⁻¹
= 3 * r²
Now, let's find the second derivative of g(r) = r³:
g''(r) = d/dx [g'(r)]
= d/dx [3 * r²]
= 6 * r²⁻¹
= 6 * r
Therefore, the first derivative of g(r) is g'(r) = 3 * r², and the second derivative of g(r) is g''(r) = 6 * r.
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a plane travels 200km at 150 km/h, 300km at 200 km/h and 400km at 250km/h all at a constant speed.
draw a distance time graph to represent the journey
hence estimate the average speed for the entire journey
Answers
\(\leq\)Answer:
Step-by-step explanation:
The distance, D, is given by the speed, S, times the time, T:
D = S*T
D S*T Time Equation for each segment
200 = 150T1 T1 = 1.33 hr y=150x 0 \(\leq\) T \(\leq\) 1.33 hr
300 = 200T2 T2 = 1.5 hr y=200x 1.33 \(\leq\) T \(\leq\) 2.83 hr
400 = 250T3 T3 = 1.6 hr y=400x 2.83 \(\leq\) T \(\leq\) 4.43 hr
The graph can be drawn as three lines, ione each for the three segments, each having the slope shown in the equation for that segment and extending between the range of values for T (which is the "x" in the equation and on the graph). The y axis will be ditance, in km.
The overall speed is the total distance divided by the total time:
D(km) T(hr)
1) 200 1.33
2) 300 2.83-1.33 = 1.5
3) 400 4.43-2.83 = 1.6
900 km 4.43 hr
(900 km)/(4.43 hr)
Average speed = 203.01 km/hr
Which of the following represents vector vector t equals vector PQ in trigonometric form, where P (–13, 11) and Q (–18, 2)?
Answers
SOLUTION
The coordinate of the vector P and Q are
\(\begin{gathered} P(-13,\text{ 11)} \\ \text{And } \\ Q(-18,2) \end{gathered}\)To find the vector PQ. we have
\(\begin{gathered} t=\bar{PQ} \\ PQ\text{ is having the coordinate } \\ PQ=(-18-(-13),2-11)=(-5,-9) \end{gathered}\)To find the vector, we use
\(\begin{gathered} r=\sqrt[]{x^2+y^2} \\ \text{Where } \\ x=-5,y=-9 \\ r=\sqrt[]{(-5)^2+(-9)^2}=\sqrt[]{25+81}=\sqrt[]{106}=10.296 \end{gathered}\)Then we obtain the angle using
\(\begin{gathered} \text{tan}\theta=(\frac{y}{x})_{} \\ \text{Substituting the value of x and y, we have } \\ \tan \theta=(\frac{9}{5})=\tan \theta=(1.8) \end{gathered}\)Hence
\(\begin{gathered} \tan \theta=1.8 \\ \theta=\tan ^{-1}(1.8) \\ \theta=60.945 \end{gathered}\)Hence
The vector in trigonometry form will be
\(\begin{gathered} t=r(i\cos \theta+j\sin \theta) \\ \text{Then} \\ t=10.296\cos 60.945i+10.296\sin 60.945j \end{gathered}\)Therefore
t= 10.296 cos 60.945 i + 10.296 sin 60.945j
Answer: Option C(third option ).
Help me please
Solve the equation 750 + 37. 5x = 850 + 102. 75x − 70. 25x for x.
x = 5
x = 2
x = 15
x = 20
Answers
Answer: x = 20
Step-by-step explanation:
What percent commission does a sales representative make if she just earned $21,700 in commission for selling a $155,000 car?
Answers
Answer:
\(14\%\)
Step-by-step explanation:
Greetings!!!
Hope it helps!!!
The first two steps in determining the solution set of the system of equations, y = x2 – 6x + 12 and y = 2x – 4, algebraically are shown in the table.
Which represents the solution(s) of this system of equations?
(4, 4)
(–4, –12)
(4, 4) and (–4, 12)
(–4, 4) and (4, 12)
Answers
Answer:
(4,4)
Step-by-step explanation:
The solution set of the system of equations can be found by setting the two equations equal to each other and solving for x.
x^2 - 6x + 12 = 2x - 4
x^2 - 8x + 16 = 0
(x - 4)^2 = 0
x = 4
Since both equations in the system are equal to y, we can substitute x = 4 into either equation to find the corresponding value of y.
y = 2x - 4 = 2(4) - 4 = 4
Therefore, the solution of this system of equations is (4, 4).
Therefore, the correct answer is (4, 4).
0.579 x 10 by the power or 3
Answers
Answer:
First multiply 0.579*10=5.79
Now multiply it with 3=17.37
in a certain company 120 of the employees are men. what is the total number of employees if 5 out of every 8 employees are men?
Answers
Answer:
There are 192 employees in the company.
Step-by-step explanation:
Let x be the total number of employees
Use ratio and proportion
\(\frac{120}{x} =\frac{5}{8} \\5x = 120(8)\\5x = 960\\\frac{5x}{5} = \frac{960}{5} \\x = 192\)
x = 192
Which expression has the same value as 8 – (-1)?
Answers
Answer: 9
Step-by-step explanation:
Two negatives make a positive. So the expression 8-(-1) is equal to 9, because the two subtraction signs the equation create an addition sign, and the equation becomes 8 + 1.
Therefore, 9 has the same value as 8-(-1).
Example (27): Use the variation of parameters method to solve the nonhomogeneous equation y"+9y =3 sec 3x.
Answers
The general solution to the nonhomogeneous equation is y = \(y_h\) + \(y_p\), where \(y_h\) is the homogeneous solution.
What is nonhomogeneous equation?Differential equations with a non-zero function on the right side of their equations are referred to as nonhomogeneous differential equations. On the right side, they can have words that just include x and constants.
To solve the nonhomogeneous equation y" + 9y = 3 sec(3x) using the variation of parameters method, we follow these steps:
1. Solve the associated homogeneous equation: y" + 9y = 0.
The characteristic equation is r² + 9 = 0, which gives us the roots r = ±3i.
Therefore, the homogeneous solution is \(y_h\) = c₁ cos(3x) + c₂ sin(3x), where c₁ and c₂ are constants.
2. Find the particular solution using the variation of parameters.
We assume the particular solution has the form \(y_p\) = u₁(x)cos(3x) + u₂(x)sin(3x), where u₁(x) and u₂(x) are unknown functions.
3. Calculate the derivatives of \(y_p\):
\(y_p'\) = u₁'cos(3x) + u₁(-3sin(3x)) + u₂'sin(3x) + u₂(3cos(3x))
\(y_p\)'' = u₁''cos(3x) - 6u₁sin(3x) + u₂''sin(3x) + 6u₂cos(3x)
4. Substitute \(y_p\), \(y_p'\), and \(y_p''\) into the original nonhomogeneous equation and simplify:
(u₁''cos(3x) - 6u₁sin(3x) + u₂''sin(3x) + 6u₂cos(3x)) + 9(u₁(x)cos(3x) + u₂(x)sin(3x)) = 3sec(3x)
5. Match the coefficients of the trigonometric terms on both sides of the equation:
cos(3x) terms: u₁''cos(3x) + 9u₁(x)cos(3x) - 6u₁sin(3x) = 0
sin(3x) terms: u₂''sin(3x) + 9u₂(x)sin(3x) + 6u₂cos(3x) = 3sec(3x)
6. Solve the resulting system of equations to find u₁(x) and u₂(x).
Solve the first equation for u₁'' and substitute it into the second equation:
u₁'' = 6u₁sin(3x) - 9u₁(x)cos(3x)
u₂''sin(3x) + 9u₂(x)sin(3x) + 6u₂cos(3x) = 3sec(3x)
7. Solve the resulting equation for u₂'' using the method of undetermined coefficients or other suitable techniques.
8. Integrate u₂'' to find u₂(x) and then substitute it back into the equation for u₁'' to find u₁(x).
9. The particular solution \(y_p\) = u₁(x)cos(3x) + u₂(x)sin(3x) is the sum of the functions obtained in the previous step.
10. The general solution to the nonhomogeneous equation is y = \(y_h\) + \(y_p\), where \(y_h\) is the homogeneous solution obtained in step 1.
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Andre's Spanish grade is calculated using a weighted average. Quizzes are worth 20%, homework is worth 10%, unit tests are worth 35%, and speaking assignments are worth 35%. Andre earned an average of 95% on his quizzes, 97% on his homework, 92% on his unit tests, and 96% on his speaking assignments. What is Andre's final Spanish grade? Responses 94.1% 94.1% 94.5% 94.5% 95.0% 95.0% 95.3%
Answers
The required Andre's final percentage Spanish grade is 94.5%.
What is the percentage?The percentage is the ratio of the composition of matter to the overall composition of matter multiplied by 100.
Here,
To calculate Andre's final Spanish grade, we need to use the weighted average formula,
Weighted average = (weight 1 × grade 1) + (weight 2 × grade 2) + (weight × × grade 3) + (weight 4 × grade 4)
where weight 1 is the weight for quizzes, grade 1 is Andre's quiz grade, weight 2 is the weight for homework, grade 2 is Andre's homework grade, weight 3 is the weight for unit tests, grade 3 is Andre's unit test grade, weight 4 is the weight for speaking assignments, and grade 4 is Andre's speaking assignment grade.
Plugging in the given values, we get:
weighted average = (0.20 × 95) + (0.10 × 97) + (0.35 × 92) + (0.35 × 96)
weighted average = 19 + 9.7 + 32.2 + 33.6
weighted average = 94.5%
Therefore, Andre's final Spanish grade is 94.5%.
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Answer:
94.5
Step-by-step explanation:
i took the test 5.16 k12
OMG HELPPPPPP!!!!!!!!
Answers
The rainfall this year was 18.6 centimeters. This is
3.2 centimeters less than half of the rainfall last year.
What was the rainfall last year?
Answers
Answer:
I got 43.6.
Step-by-step explanation:
This is how I solved the problem:
18.6 + 3.2 = 21.8
21.8 + 21.8 = 43.6
I hope this is the right answer. Good luck!
Fill in the missing numbers
I need an answer ASAP
Answers
Answer:
the missing numbers be 60 and 6 respectively
Step-by-step explanation:
The computation of the missing numbers are shown below:
Let us assume the missing numbers be x
a/
, \(\frac{1}{2} \times 30 = \frac{1}{4} \times x\\\\15 = \frac{1}{4} \times x\\\\x = 60\)
b.
\(\frac{1}{3} \times 12 = \frac{2}{3} \times x\\\\4 = \frac{2}{3} \times x\\\\x = 6\)
Hence, the missing numbers be 60 and 6 respectively
Question 1 of 10
Find the solutions to x² = 18.
O A. x = +6√3
OB. x = +2√3
X
O C. x = ±3-√2
O D. x = ±3√6
Answers
Answer:
C is correct
Step-by-step explanation:
\( {x}^{2} = 18 \\ x = \frac{ + }{} \sqrt{18} = \frac{ + }{} \sqrt{9 \times 2} = \\ x = \frac{ + }{} \sqrt{9} \times \sqrt{2} \\ x = \frac{ + }{} 3 \sqrt{2} \)
*HELP I WILL MARK BRAINLIST*
Answers
The volume of plaster Darla needs for the miniature stairs is 418³.
What is the volume?The volume is the space occupied by a three-dimensional object.
Volume is the product of the multiplication of length, width, and height.
We first calculate the total volume for this situation, assuming that the stairs have not cut portions.
Secondly, calculate the volume of the cut portions and subtract the result from the total volume to get the volume of the stairs, which represents the quantity of plaster required by Darla.
Length of the miniature stairs = 12 cm
Width of the miniature stairs = 11 cm
Height of the miniature stairs = 4 cm
The volume of the stairs with the cut portion = 528 cm³ (12 x 11 x 4)
The length of the cut portion of the stairs = 12 cm
The width of the cut portion of the stairs = 11 cm
The height of the cut portion of the stairs = 2 cm (4 - 2)
The volume of the cut portion of the stairs = 110 cm³ (11 x 5 x 2)
The volume of the stairs without the cut portion = 418 cm³ (528 - 120)
The total volume of plaster can also be computed separately as the volume of the larger object plus the volume of the smaller object.
418 cm³= (7 cm x 4 cm x 11 cm) + (5 cm x 2 cm x 11 cm)
= (308 cm³ + 110 cm³)
Thus, the quantity (volume) of plaster Darla needs is 418 cm³.
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Is this correct? If not
please tell me the answer!
Answers
Help me please everyone;-;
Answers
Answer:
x - 4
Step-by-step explanation:
\( \sf \bigg( \dfrac{ {x}^{4} }{ {x}^{3} } \bigg) - 4\)
\( \sf \bull \dfrac{{a}^{m} }{ {a}^{n} } = {a}^{m - n} \)
\( \sf \: {x}^{4 - 3} - 4\)
\( \sf{x}^{1} - 4\)
\( \sf \: x - 4\)
Step-by-step explanation:
\(( \frac{ {x}^{4} }{ {x}^{3} } ) ^{ - 4 } \\ ( {x}^{4 - 3} ) ^{ - 4} \\ (x ^{1} ) ^{ - 4} \\ x ^{1 \times - 4} \\ x ^{ - 4} \)
array indices must be positive integers or logical values matlabtruefalse
Answers
True; In MATLAB, array indices must be positive integers or logical values.
In MATLAB, array indices must indeed be positive integers or logical values. This means that when accessing elements within an array, the index values should be integers greater than zero or logical values (true or false). It is not permissible to use negative integers or non-integer values as array indices in MATLAB.
For example, consider an array called "myArray" with five elements. To access the first element of the array, you would use the index 1. Similarly, to access the fifth element, you would use the index 5. Attempting to use a negative index or a non-integer index will result in an error.
Using valid indices is crucial for proper array manipulation and accessing the correct elements. MATLAB arrays are 1-based, meaning the index counting starts from 1, unlike some programming languages that use 0-based indexing.
In MATLAB, array indices must be positive integers or logical values. This ensures proper referencing and manipulation of array elements. By adhering to this rule, you can effectively work with arrays in MATLAB and avoid errors related to invalid indices.
To know more about
In MATLAB, array indices start from 1. They are used to access specific elements within an array.
In MATLAB, array indices are used to access or refer to specific elements within an array. The index of an element represents its position within the array. It is important to note that array indices in MATLAB start from 1, unlike some other programming languages that start indexing from 0.
For example, consider an array A with 5 elements: A = [10, 20, 30, 40, 50]. To access the first element of the array, we use the index 1: A(1). This will return the value 10.
Similarly, to access the third element of the array, we use the index 3: A(3). This will return the value 30.
Array indices can also be logical values, which are either true or false. Logical indices are used to select specific elements from an array based on certain conditions. For example, if we have an array B = [1, 2, 3, 4, 5], we can use logical indexing to select all the elements greater than 3: B(B > 3). This will return the values 4 and 5.
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Q6.
.
Make t the subject of the formula w = 3t + 11
Answers
Answer:
t = w/3-11/3
Step-by-step explanation:
w = 3t + 11
3t = w-11
t = 1/3(w-11
t = w/3-11/3
For f(x) =2x+1 and g(x)=- squt -7 find (g/f)(x)
Answers
Answer:
C
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below
And if you find this answer helpful, please consider marking it Brainliest
100 POINTS PLS HELP!!!!!!!!!!!
Simplify the expression. 3 + 22 5 7 10 25
Answers
Answer:
25
Step-by-step explanation:
3+22=25
Im guessing this was a joke question but idc answered anyways
Answer:
The answer is 25
Step-by-step explanation:
3 + 22 = 25