7.32 A small private university is planning to start a volunteer football program. A random sample of alumni is surveyed. It was found that 250 were in favor of this program, 75 were opposed, and 25 had no opinion.

a. Estimate the percent of alumni in favor of this program.

Let a = 0.05.

b. Estimate the percent of alumni opposed to this volunteer football program with a 90% confidence level.

Application Exercises