Q1. The finite population multiplier does not have to be used when the sampling fraction is:

a. greater than 0.05 b. greater than 0.50 c. less than 0.50 d. None

Q2. A certain normally distributed population has a known s.D of 1. What is the total width of a 95% confidence interval for the population mean?

a. 0.98 b. 1.96 c. 3.92 d. cant be determined from above info.