Hypothesis Testing

Question 1

What is the null hypothesis, , for this situation?

Revolt · Accepted Answer

D:

Question 2

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

Revolt · Accepted Answer

B:

Question 3

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

Revolt · Accepted Answer

C: ✔ a right-tailed test

Question 4

To the nearest hundredth, the z-statistic isz = ⇒ 1.19

Revolt · Accepted Answer

2.00

Question 5

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?

Revolt · Accepted Answer

C: There is not enough evidence to reject .

Question 6

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

Revolt · Accepted Answer

2.07

Question 7

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

Revolt · Accepted Answer

A:

Question 8

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

Revolt · Accepted Answer

B:

Question 9

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

Revolt · Accepted Answer

A: ✔ 1.65

Question 10

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

Revolt · Accepted Answer

C: There is not enough evidence to accept or reject his claim.

Hypothesis Testing Answers