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The correct order of the steps in a hypothesis test are as follows:

Determine the null and alternative hypotheses.

Select a sample and compute the z-score for the sample mean.

Determine the probability at which you will conclude that the sample outcome is very unlikely.

Draw a conclusion about the unknown population using what is known about the sample.

First, you need to define the null and alternative hypotheses. The null hypothesis is the assumption that there is no significant difference between the sample and the population mean, while the alternative hypothesis is the opposite. Then, you need to select a random sample from the population and calculate the z-score for the sample mean. This involves finding the difference between the sample mean and the population mean, divided by the standard deviation of the sample mean.

Next, you need to determine the probability, known as the alpha level, at which you will conclude that the sample outcome is very unlikely, assuming that the null hypothesis is true. This is often set to 0.05 or 0.01. If the probability of obtaining the observed sample mean under the null hypothesis is lower than the alpha level, then the null hypothesis is rejected in favor of the alternative hypothesis.

Finally, you can draw a conclusion about the unknown population using what is known about the sample. If the null hypothesis is rejected, it suggests that there is a significant difference between the sample and the population mean, and the alternative hypothesis may be accepted.

Therefore, the correct order of the steps in a hypothesis test is to first determine the null and alternative hypotheses, then select a sample and calculate the z-score, determine the probability, and finally draw a conclusion based on the observed results.

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Answer:

please see the attached I put the answer.

Step-by-step explanation:

I put the steps I did, to graph it.

TCP provides error checking to ensure reliable data delivery, making option A the correct answer. Only the propagation delay is not caused by the store-and-forward strategy employed by switching devices.

TCP (Transmission Control Protocol) provides error checking as part of its services. It ensures reliable data delivery by using acknowledgments and sequence numbers to detect and recover from packet loss, errors, or out-of-order delivery. When a TCP receiver receives data, it sends an acknowledgment (ACK) back to the sender to confirm the successful reception of packets. If the sender does not receive an ACK for a particular packet within a specified timeout period, it assumes the packet was lost or damaged and retransmits it.

TCP provides error checking to ensure reliable data delivery, making option A the correct answer.

The propagation delay is the time it takes for a signal to travel from the source to the destination. It is determined by the physical distance between the devices and the speed of signal propagation in the transmission medium. The propagation delay is an inherent characteristic of the medium and cannot be eliminated by switching devices or other strategies.

The other three options—processing delay, queuing delay, and transmission delay—are all caused by the store-and-forward strategy used by switching devices. Processing delay refers to the time taken to examine and process the packet headers. Queuing delay occurs when packets have to wait in a queue before being transmitted. Transmission delay is the time it takes to push the bits onto the transmission medium.

Among the given options, only the propagation delay is not caused by the store-and-forward strategy employed by switching devices.

3. The correct answer is A. The system is very well-engineered.

In a statistical multiplexing system, the queuing delay is the delay experienced by packets waiting in a queue before being transmitted. If the average queuing delay is very close to zero, it indicates that the system is well-engineered and efficiently managing its resources. A well-designed system can minimize or eliminate queuing delays by appropriately allocating resources and ensuring efficient scheduling algorithms.

Traffic intensity, which represents the ratio of the average traffic load to the transmission capacity, does not directly determine the queuing delay. It is possible to have low queuing delays even with high traffic intensity if the system is well-designed.

When the average queuing delay is close to zero, it suggests that the system is well-engineered and efficiently utilizing its resources, as stated in option A.

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Answer: Scale factor is 4

Explanation:

56 / 14 = 4

I hope this helped!

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Answer:

The scale factor from Figure A to Figure B is 4

Step-by-step explanation:

As the sides of these triangles do not have angles for use to calculate the exact areas, allowing us to divide the larger triangle by the smaller to find the scale factor, we must look at the lengths of the sides within these two triangles. After inspection, we can see that corresponding sides may instead be divided into one another. For example,

56/14

64/16

28/7

These pairs of corresponding sides may be divided as so and all reach the conclusion of a value of 4. This means that the larger triangle has sides that are a multiple of 4 to the smaller triangle.

Thus the scale factor from Figure A to Figure B is 4!

We are to use the power reducing formula to rewrite cos⁴x in terms of the first power of cosine.

Here,

we have

cos⁴x

We can rewrite

cos⁴x as cos²x * cos²x

This is so because of the formula

(cos (A + B))(cos (A - B)) = cos²A - sin²BCos² x = (1 + cos 2x)/2 and cos 2x = 2cos²x - 1

Hence,

(cos⁴x) = (cos²x * cos²x) = (cos²x)(1 + cos 2x)/2

Again,

cos 2x = 2cos²x - 1

Therefore

(cos⁴x) = (cos²x * cos²x) = (cos²x)(1 + cos 2x)/2= (cos²x)(1 + 2cos²x - 1)/2= (cos²x)(2cos²x)/2= cos²x(cos²x)

This is in terms of the first power of cosine and is the required answer.

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Answer:

(x,y)=(-5,5)

Step-by-step explanation:

Subtract the part from the total:

102.50 - 15 = 87.50

Now divide the remainder by rate:

87.50 / 25 = 3.5 hours

Answer:

yes

Step-by-step explanation:

The equation that represents this situation is p = 4 + 5d

Algebraic expressions are known as mathematical expressions made up of:

From the information given, we have that:

The equation this represents is:

p = 4 + 5d

Thus, the equation that represents this situation is p = 4 + 5d

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From the box in the image, We get to know that the spin has 4 values

(1,2,3,4)

The score is the sum of two spins

Total Score possible is = {(1+1),(1+2),(1+3),(1+4),(2+1),(2+2),(2+3),(2+4),(3+1),(3+2),(3+3),(3+4),(4+1),(4+2),(4+3),(4+4)}

                                      = {2,3,4,5,3,4,5,6,4,5,6,7,5,6,7,8}

No of score having 10, n(A)= 0

Possibility of 10 = No. of score having 10 / Total number of score

            P(A) = n(A)/N

Therefore, the possibility of P(10) = 0

Score having odd value = {3,5,3,5,5,7,5,7}

No, of score having odd value, n(B) = 8

Probability of having the odd score , P(B) = n(B) / N

                                                                     = 8/16

                                                                     = 1/2

From the image, the third subdivision must be

     P(more than 6 and even) = P(more than 6).P(even)

No. of more than 6 = 3

P(more than 6) = 3/16

No. of even score = 8

P(even) = 8/16

P(more than 6 and even) = (3/16)(8/16)

                                         = 24/256

                                         = 3/32

P(more than 6 or even) = P(more than 6) + P(even)

No. of score having a value more than 6, n(more than 6) = 3

P(more than 6) = n(more than 6) / N

                         = 3/16

No. of even score, n(even) = 8

P(even) = 8/16

P(more than 6 or even) =  \(\frac{3}{16} + \frac{8}{16}\)

                                       = 11/16

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Answer:

y=2x

Step-by-step explanation:

y=mx+b

Slope/m:

(8-(-4))/(4-(-2)=12/6=2

Y-intercept or b:

0 because it passes through the point of origin

Check by Substituting:

8=2(4)

8=8

True

Answer:

yes

no

yes

no

Step-by-step explanation:

pls mark brainliest

The value of t such that the area under the curve between 1 and 11 equals 0.95, assuming the degrees of freedom is 8, is 1.86.

Degree of freedom refers to the number of independent variables that can be varied in a statistical experiment or analysis. It is a measure of the flexibility of the experiment or analysis to accommodate new data or observations.

In this case, the degrees of freedom is 8. To find the t-value, the t-table must be consulted. The t-table is a chart of t-values for different degrees of freedom. The t-value is the value at which the area under the curve between 1 and 11 equals 0.95. The t-table is organized such that the rows represent the degrees of freedom and the columns represent the area under the curve. For example, if the degrees of freedom is 8 and the area under the curve is 0.95, the t-value can be found in the row for 8 degrees of freedom and the column for 0.95 area under the curve. The t-value from the t-table in this case is 1.86.

Therefore, the value of t such that the area under the curve between 1 and 11 equals 0.95, assuming the degrees of freedom is 8, is 1.86.

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complete ques is:

Consider data Y1​,Y2​,…Yn​ that is a random (i.e. independent) sample from a Normal distribution with unknown mean μ and known variance σ2. You wish to infer μ from the data using a Bayesian approach and select a prior on μthat is Normal with mean μ0​ and variance τ2. a. Derive the posterior distribution for μ. Since you should know the final result, credit will only be given for the derivation. b. Write down the posterior mean as a function of the posterior variance. Explain what happens to the posterior mean as a function of increasing n. c. Confirm your answer from part b) by plotting your results in R assuming μ0​=0,τ2=1,σ2=100, and with the data Yˉ=5 for n=1,10,100,1000.

Answer:

15 plants

Step-by-step explanation:

The maximum value of z is 0, and the values of the decision variables are x1 = 0, x2 = 10, x3 = 0, x4 = 0.

maximize: z = c1x1 + c2x2 + ... + cnxn

subject to

a11x1 + a12x2 + ... + a1nxn ≤ b1

a21x1 + a22x2 + ... + a2nxn ≤ b2

am1x1 + am2x2 + ... + amnxn ≤ bmxi ≥ 0 for all i

In our case,

the given LP is:maximize: z = 36x1 + 30x2 - 3x3 - 4x

subject to:

x1 + x2 - x3 ≤ 5

6x1 + 5x2 - x4 ≤ 10

xi ≥ 0 for all i

We can rewrite the constraints as follows:

x1 + x2 - x3 + x5 = 5  (adding slack variable x5)

6x1 + 5x2 - x4 + x6 = 10  (adding slack variable x6)

Now, we introduce the non-negative variables x7, x8, x9, and x10 for the four decision variables:

x1 = x7

x2 = x8

x3 = x9

x4 = x10

The objective function becomes:

z = 36x7 + 30x8 - 3x9 - 4x10

Now we have the problem in standard form as:

maximize: z = 36x7 + 30x8 - 3x9 - 4x10

subject to:

x7 + x8 - x9 + x5 = 5

6x7 + 5x8 - x10 + x6 = 10

xi ≥ 0 for all i

To apply the simplex algorithm, we initialize the simplex tableau as follows:

  |  Cj   |   x5   |   x6   |   x7   |   x8   |   x9   |   x10  |    RHS  |

---------------------------------------------------------------------------

z |  0    |   0    |   0    |  36    |   30   |   -3   |   -4   |    0    |

---------------------------------------------------------------------------

x5|   0   |   1    |   0    |   1    |   1    |   -1   |   0    |    5    |

---------------------------------------------------------------------------

x6|   0   |   0    |   1    |   6    |   5    |   0    |   -1   |   10    |

---------------------------------------------------------------------------

Now, we can proceed with the simplex algorithm to find the optimal solution. I'll perform the iterations step by step:

Iteration 1:

1. Choose the most negative coefficient in the 'z' row, which is -4.

2. Choose the pivot column as 'x10' (corresponding to the most negative coefficient).

3. Calculate the ratios (RHS / pivot column coefficient) to find the pivot row. We select the row with the smallest non-negative ratio.

Ratios: 5/0 = undefined, 10/(-4) = -2.5

4. Pivot at the intersection of the pivot row and column. Divide the pivot row by the pivot element to make the pivot element 1.

5. Perform row operations to

make all other elements in the pivot column zero.

After performing these steps, we get the updated simplex tableau:

  |  Cj   |   x5   |   x6   |   x7   |   x8   |   x9   |   x10  |    RHS  |

---------------------------------------------------------------------------

z |  0    |   0    |  0.4   |  36    |   30   |   -3   |   0    |   12    |

---------------------------------------------------------------------------

x5|   0   |   1    |  -0.2  |   1    |   1    |   -1   |   0    |   5     |

---------------------------------------------------------------------------

x10|   0  |   0    |   0.2  |   1.2  |   1   |   0    |   1    |   2.5   |

---------------------------------------------------------------------------

Iteration 2:

1. Choose the most negative coefficient in the 'z' row, which is -3.

2. Choose the pivot column as 'x9' (corresponding to the most negative coefficient).

3. Calculate the ratios (RHS / pivot column coefficient) to find the pivot row. We select the row with the smallest non-negative ratio.

Ratios: 12/(-3) = -4, 5/(-0.2) = -25, 2.5/0.2 = 12.5

4. Pivot at the intersection of the pivot row and column. Divide the pivot row by the pivot element to make the pivot element 1.

5. Perform row operations to make all other elements in the pivot column zero.

After performing these steps, we get the updated simplex tableau:

  |  Cj   |   x5   |   x6   |   x7   |   x8   |   x9   |   x10  |    RHS  |

---------------------------------------------------------------------------

z |  0    |   0    |  0.8   |  34    |   30   |   0    |   4    |   0     |

---------------------------------------------------------------------------

x5|   0   |   1    |  -0.4  |   0.6  |   1    |   5   |   -2   |   10    |

---------------------------------------------------------------------------

x9|   0   |   0    |   1    |   6    |   5    |   0   |   -5   |   12.5  |

---------------------------------------------------------------------------

Iteration 3:

No negative coefficients in the 'z' row, so the optimal solution has been reached.The optimal solution is:

z = 0

x1 = x7 = 0

x2 = x8 = 10

x3 = x9 = 0

x4 = x10 = 0

x5 = 10

x6 = 0

Therefore, the maximum value of z is 0, and the values of the decision variables are x1 = 0, x2 = 10, x3 = 0, x4 = 0.

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Answer:

all 3 options are true : A, B, C

Step-by-step explanation:

warning : it has come to my attention that some testing systems have an incorrect answer stored as right answer for this problem.

they say that A and C are correct.

but I am going to show you that if A and C are correct, then also B must be correct.

therefore, my given answer above is the actual correct answer (no matter what the test systems say).

originally the information about the alignment of the point F in relation to point E was missing.

therefore, I considered both options :

1. F is on the same vertical line as E.

2. F is not on the same vertical line as E.

because of optical reasons (and the - incomplete - expected correct answers of A and C confirm that) I used the 1. assumption for the provided answer :

the vertical line of EF is like a mirror between the left and the right half of the picture.

A is mirrored across the vertical line resulting in B. and vice versa.

the same for C and D.

this leads to the effect that all 3 given congruence relationships are true.

if we consider assumption 2, none of the 3 answer options could be true.

but if the assumptions are true, then all 3 options have to be true.

now, for the "why" :

remember what congruence means :

both shapes, after turning and rotating, can be laid on top of each other, and nothing "sticks out", they are covering each other perfectly.

for that to be possible, both shapes must have the same basic structure (like number of sides and vertices), both shapes must have the same side lengths and also equally sized angles.

so, when EF is a mirror, then each side is an exact copy of the other, just left/right being turned.

therefore, yes absolutely, CAD is congruent with CBD. and ACB is congruent to ADB.

but do you notice something ?

both mentioned triangles on the left side contain the side AC, and both triangles in the right side contain the side BD.

now, if the triangles are congruent, that means that each of the 3 sides must have an equally long corresponding side in the other triangle.

therefore, AC must be equal to BD.

and that means that AC is congruent to BD.

because lines have no other congruent criteria - only the lengths must be identical.

The cost of painting the room walls with two coats of paint would be $84.38

To determine the cost of painting the room walls with two coats of paint, you would need to know the total square footage of the walls you are planning to paint. Once you have that information, you can calculate the total cost by multiplying the number of gallons of paint required by the cost per gallon. For example, if the room has 800 square feet of walls, you would need 2.28 gallons of paint (800/350 = 2.28) and the total cost would be $84.38 (2.28 x $36.50). If you want to know the cost of one coat, you will need to divide that number by 2.

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Answer:

$530

Step-by-step explanation:

6% of 500 is 30. Add 500 and 30.

The volume of a cylinder is given by the following formula:

Where r is the radius and h is the height of the cylinder.

By replacing 8 for r and 6 for h into the above formula, we get:

Then, the volume of the cylinder equals 1205.76 units³

The given statement "a model y = β0 β1x ε, in which y is a binary variable, is called a linear probability model." is False because it is called dichotomous response model

A model in which y is a binary variable, taking on values of 0 or 1, is called a binary or dichotomous response model. The model equation for this type of model is:

y = 1 if p ≥ 0.5

y = 0 if p < 0.5

where p is the probability of y = 1 given the values of the predictors.

The model equation for a linear probability model is:

y = β0 + β1x + ε

where y is a continuous variable bounded between 0 and 1, and β0 and β1 represent the intercept and slope coefficients, respectively. The error term ε is assumed to be normally distributed with mean zero and constant variance.

Linear probability models have some drawbacks, including the possibility of predicting probabilities outside the range of 0 and 1 and violating the assumption of constant variance in the error term. As such, alternative models such as logistic regression are often preferred for binary response data.

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Answer: 200

Step-by-step explanation:

0.5 in : 10km =20 10in : ??

200/10 or 200 divided by 10 equals 20

200 is your answer

Answer:

4

Step-by-step explanation:

all the details can be found in the attachment.

Answer:

  (100√3)/3 square feet

Step-by-step explanation:

You want the area of the isosceles triangle that has a vertex angle of 120° and a base of 20 feet.

The altitude divides the triangle into two 30-60-90 right triangles with a long side of half the base, or 10 ft. That means the altitude is 10/√3 ft.

The area is ...

  A = 1/2bh

  A = 1/2(20 ft)(10/√3 ft) = 100/√3 ft²

We usually want the radical in the numerator, so that would be ...

  Area = (100√3)/3 ft²

Answer:

7) perpendicular

8) perpendicular

Step-by-step explanation:

If the equations are in the form:

y = mx + b

(they all are in this form in these questions)

the m, the number in front of the x, is the slope.

If the slopes are the "negative reciprocals" (opposite signs and flipped over from each other) of each other, then the lines are perpendicular.

You can also do a quick check by, if the m values are multiplied together you should get -1.

1/3 • - 3 = -1

1 • -1 = -1

1/3 and -3 have opposite signs and are reciprocals (flipped over)

1 and -1 are opposite signs. It isn't very obvious maybe that they are reciprocals, but they are. Like 1/1 flipped over is 1/1.

Answer:

John=3150 peter=7350

Step-by-step explanation:

Hope this helps

Answer:

Step-by-step explanation:

angle L is 106 degrees

x= 2

angle LMK is 37 degrees

its equal, you can check by adding up all the angles to 360 degrees

Answer:

C=（9F-32）/5

inverse​：

Step-by-step explanation: