Claim as a mathematical sentence

    Write each claim as a mathematical sentence. State the null and alternative hypotheses, identify which represents the claim, and state which whether the test would be a left-tailed test, a right-tailed test or a two-tailed test . a. A school publicizes that the proportion of its students who earn scholarships to College is 85% b. A grocery store says that the mean time wait in a line is less than 5 minutes. c. A company advertises that the mean life of its furnaces is at least 15 years.