State the null and alternative hypotheses for each of thefollowing situations. (That is, identify the correct numberμ0 and write H0:μ=μ0 and the appropriateanalogous expression for Ha.)
A.      The average Julytemperature in a region historically has been 74.5°F. Perhaps it ishigher now.
B.      The average weight of afemale airline passenger with luggage was 145 pounds ten years ago.The FAA believes it to be higher now.
C.      The average stipend fordoctoral students in a particular discipline at a state universityis $14,756. The department chairman believes that the nationalaverage is higher.
D.      The average room rate inhotels in a certain region is $82.53. A travel agent believes thatthe average in a particular resort area is different.
E.       The average farmsize in a predominately rural state was 69.4 acres. The secretaryof agriculture of that state asserts that it is less today.
*****YOU MUST SHOW ALL OF YOUR WORK TO DETERMINE HOW YOU ARRIVEDAT THE SOLUTION IN ORDER TO RECEIVE CREDIT****
