Gap Between Rich and Poor. In an online survey, a sample of 1012 adults were asked for their opinion on whether it was more important to have government policies to help grow the economy and increase opportunity equality, or reduce the income gap between the rich and poor?’’ Of those surveyed, 172 said reducing gap is most important.

a. Determine and interpret the sample proportion.

b. At the 5% significance level, do the data provide sufficient evidence to conclude that a minority (less than 25%) of adults think that government should pursue policies to reduce the gap?