Assume the percentage of on-time U.S. airline flights is less than 75%. Also assume that the 1-point initial conclusion rejects the null hypothesis. State the final conclusion in simple, nontechnical terms.
a) There is sufficient evidence to support the claim that the percentage of on-time U.S. airline flights is less than 75%.
b) There is not sufficient evidence to support the claim that the percentage of on-time U.S. airline flights is less than 75%.
c) There is sufficient evidence to support the claim that the percentage of on-time U.S. airline flights is more than 75%.
d) There is sufficient evidence to support the claim.
