Think about a population proportion that you may be interested in and propose a hypothesis test problem for this parameter. Gather appropriate data and post your problem and solution in the discussion board.

For example, A Texas supermarket says that out of all customers last year only 45% used coupons. A sample size of 400 customers was taken this year shows 150 used coupons. Did this proportion differ from last years testing with a significance level of 0.05

Include the null and alternative hypothesis, alpha value, and write a conclusion. Make sure that you use appropriate terminology and specify whether you are using the classical method or the p-value method.