At many golf clubs, a teaching professional provides a free 10-minute lesson to new customers. A golf magazine reports that golf facilities that provide these free lessons gain, on average, $2 comma 1002,100 in green fees, lessons, or equipment expenditures. A teaching professional believes that the average gain is notis not $2 comma 1002,100. Complete parts a through c below. a. In order to support the claim made by the teaching professional, what null and alternative hypotheses should you test? Upper H 0H0: muμ equals= $2 comma 1002,100 Upper H Subscript aHa: muμ not equals≠ $2 comma 1002,100 b. Suppose you select alphaαequals=0.100.10. Interpret this value in the words of the problem. The probablility that the null hypothesis is rejected when the average gain is less than $2 comma 1002,100 is