AnswersCREDIT RE-SEAT MNPS Integrated Math III IC S2 26-27Hypothesis Testing

Hypothesis Testing Answers

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1
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What is the null hypothesis, , for this situation?

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You have reason to believe that there are actually fewer raisins in each box than the company claims. Your alternative hypothesis, , would be

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You have reason to believe that there are actually more raisins in each box than the company claims. Your alternative hypothesis, , would be

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What is the null hypothesis, H0, for this situation?

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What is the null hypothesis, H0, for this situation?

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What type of significance test should be used for this situation? a left-tailed testa two-tailed test✔ a right-tailed test

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a left-tailed test
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a two-tailed test
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✔ a right-tailed test
7

The z-statistic for a sample of Delmar’s practice times is 1.41. How should this statistic be interpreted in terms of the hypothesis test?

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should be rejected.
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should be accepted.
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C
There is not enough evidence to reject .
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8

What is the z-statistic for the sample? Round the answer to the nearest hundredth.z =

Answer:

2.07

9

The critical value for z* for a hypothesis test of the claim at 5% significance is z* = 1.96. How should the z-statistic for the sample be interpreted in terms of the hypothesis test?

A
The null hypothesis should be rejected.
B
The null hypothesis should be accepted.
C
There is not enough evidence to reject the null hypothesis.
10

To the nearest hundredth, the z-statistic isz =

Answer:

1.19

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What is the alternative hypothesis, Ha, for this situation?

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What is the alternative hypothesis, Ha, for this situation?

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Based on the hypothesis test, what conclusion can be drawn about Delmar’s claim?

A
Delmar practices at least 2 hours a day.
B
Delmar practices more than 2 hours a day.
C
There is not enough evidence to accept or reject his claim.
14

What is the critical value for z for a hypothesis test using a 5% significance level?z* = ✔ 1.651.962.58

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✔ 1.65
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1.96
C
2.58

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