The Nellie Mae organization found that in the random sample of 1413 undergraduate students taken in 2004, 76% of them had credit card.
Employ theses sample data to develop a significance test of the conjecture that more than 75% of all undergraduate students have a credit card. report the hypothesis in words and in symbols, test statistic and p-vlaue. Comment and check the technical conditions. Also indicate your test decisions at the alpha=0.5 significance level and summarize your conclusion in context.