A manager at a power company monitored employee time needed to process high-effciency lamp bulb rebates. A random sample of 50 applications gave sample mean time of 4 minutes and standard deviation of 1.25 minutes. Is the claim that M>3.5 substantiated by these data? To answer this question, formulate the null and alternative hypotheses, calculate the test statistic, find the p-vale, and make your conclusions.