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Question 101 pts Suppose that you had consumer group wanted to test to see if weight of participants in a weight loss program changed (up or down). They computed a 95% confidence interval of the result (2.177, 4.977). What do we know about the p-value for the test? Group of answer choices It would be greater than 0.05. Can not be determined. It would be 0.05. It would be less than 0.05.

Answers

Answer 1
Answer:

From the confidence interval given, we have that the correct option is:

It would be less than 0.05.

At the null hypothesis, we test that there are no changes, that is, the means are equal, so:

H_0: \mu_A = \mu_B

H_0: \mu_A - \mu_B = 0

At the alternative hypothesis, we test if there was a change, that is, if the means are different, so:

H_1: \mu_A - \mu_B \neq 0.

The confidence interval for the difference of means is: (2.177, 4.977).

  • It does not contain 0, which means that they are different.
  • Statistically significant results, which indicate difference, have low p-values, that is, lower than 0.05, thus the p-value would be less than 0.05.

A similar problem is given at brainly.com/question/22968227
Answer 2
Answer:

Answer:

It would be less than 0.05.

Step-by-step explanation:

The hypothesis test was done to claim that the weight of participants has changed.

The null and alternative hypothesis could be written as:

H_0: \mu=0\n\nH_a: \mu\neq0

being μ the population mean change in weight.

With that information, we can tell that is a two tailed test. Sample means that fall in any of the tails, with a z-statistic over 1.96 or under -1.96 (at a significance level of 0.05), will be evidence to reject the null hypothesis.

The information we have about the sample is the 95% confidence interval calculated from the sample information.

This confidence interval does not include the value μ=0.

Then, there is 2.5% of probabiltity that the population mean is under 2.177, the lower bound of the interval, which includes the value μ=0.

With this information, we can conclude that the P-value have to be under 0.05.

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In the diagram above, Z1 = 40°.
Find the measure of Z2.
Z2 = [?]°

Answers

Answer:

40 = <2

Step-by-step explanation:

<1 and  <2 are corresponding angles and corresponding angles are equal when the lines are parallel

<1 = <2

40 = <2
Angle 2 is 40° according to the corresponding angles theorem

What value of n makes the equation 0.3(12 n-16)=0.4(12-3n) true

Answers

I believe that n= 2. please correct me if I am wrong.

Answer:

n=2

Step-by-step explanation:

Solve for x.
x-4/5= -1/3

Answers

Answer:

x = 1 2/15

Step-by-step explanation:

Can someone plz help me on this

Answers

C

Step-by-step explanation:

I know it's not B because it has the most explanation and C is the only answer that dosnt relate

MZTRI = 3x - 5, mZIRB = x + 27,
and mZTRB = 86. Find the mZTRI.

Answers

Answer:

m∠TRI  = 43

Step-by-step explanation:

m∠TRI +  m∠IRB = m∠TRB

3x - 5 + x + 27 = 86

3x + x - 5 + 27 = 86   {Combine like terms}

     4x  + 22    = 86       {Subtract 22 from both sides}

               4x = 86 - 22

                4x = 64           {Divide both sides by 4}

                  x = 64/4

                 x = 16

m∠TRI = 3x - 5

           = 3*16 - 5

          = 48 - 5

          = 43

If you have a piece of glass that is 12in X 12in - how many square feet is it?

Answers

Answer:

1 ft^2

Step-by-step explanation:

We know 12 inches = 1 ft

12 inches by 12 inches

1 ft by 1 ft

The area is 1 * 1 = 1 ft^2

Answer:

1 square foot is the answer
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