In a telephone poll of 1302 randomly selected men, only 39 said that their most important measure of success was their work.

a) Estimate the percentage of all males who measure success primarily by their work. Use a 98% confidence interval. Don’t forget to check the conditions first.

b) Some believe that few contemporary men judge their success primarily by their work. Suppose we wished to conduct a hypothesis test to see if the fraction has fallen below the 5% mark. What does your confidence interval indicate? Explain.

c) What is the significance level of this test? Explain.