Question: 1. If p = 0.04, n = 300, and N = 5,000, calculate the upper bound for a one-sided confidence interval estimate of the population proportion,π , using the following levels of confidence:
a. 90%
b. 95%
c. 99%
2. A stationery store wants to estimate the total retail value of the 1,000 greeting cards it has in its inventory. Construct a 95% confidence interval estimate of the population total value of all greeting cards that are in inventory if a random sample of 100 greeting cards indicates a mean value of $2.55 and a standard deviation of $0.44.