F) Forty-two of 165 randomly selected college seniors said that they had already received at least one job offer. Build a 90% confidence interval estimate of the proportion of all college seniors who already have at least one job offer. Report the margin of error indicated by your interval.

a. .103

b. .056

c. .004 11

d. .012

e. .002

I) The competing hypotheses for a hypothesis test are as follows:

H0: = 500

Ha: 500

A random sample of size 100 has a sample mean of 488 and a sample standard deviation of 36. The p-value for this hypothesis test is: 12

a. 0.4996

b. 0.9992

c. 0.0004

d. 0.0008