# Question: Refer to exercise 82 where you had set up a

Refer to exercise 82, where you had set up a test to test the competing positions H0: μ > 800 minutes Ha: μ < 800 minutes Suppose now you want to set up a new test for this situation. In this new test, you plan to use a significance level of .05— that is, you want no more than a 5% chance that your test would lead you to reject the null hypothesis when the null hypothesis is actually true. In addition, you want the test to have no more than a 10% risk of failing to reject the null hypothesis when the actual population mean is 790 minutes. Assume that the population standard deviation estimate remains 60 minutes.

a. Determine the appropriate sample size for the test.

b. According to the test, you should reject the null hypothesis for a sample average less than ____ minutes.

a. Determine the appropriate sample size for the test.

b. According to the test, you should reject the null hypothesis for a sample average less than ____ minutes.

**View Solution:**## Answer to relevant Questions

The Lundberg Survey, which reports gas prices at gas stations nationwide, reported recently that the average price for regular grade gasoline in the US was $ 3.42 per gallon (source: moneynews.com). You believe that the ...In its Audit of Computerized Criminal History, the Florida Department of Law Enforcement (FDLE) periodically reviews the accuracy and completeness of its criminal history database. The database contains thousands of records. ...Refer to Exercise 1. State your decision rule by filling in the blank below: Reject the null hypothesis if the sample proportion is less than ______. In exercise You want to set up a test for the following hypotheses: H0: π ...You have a random sample of 10 Population 1 members and a sample of 13 Population 2 members, and you want to set up a test using the following hypotheses: H0: μ1 – μ2 < 0 (The mean of Population 1 is no greater than the ...In a survey involving a national random sample of 1600 second semester university seniors (800 men and 800 women), 67% of the women in the survey and 64% of the men said that they had received at least one job offer. Can ...Post your question