A grocery store manager wants to know if displaying cranberries near the entrance to the store increases the proportion of shoppers who buy them. To determine this, the manager flips a coin each morning to decide whether to place the cranberries near the entrance that day or to locate them in the produce section. The manager takes a random sample of shoppers over several days and calculates in the proportion of shoppers who buy cranberries when they are near the store entrance, and b, - the proportion of shoppers who buy cranberries when they are in the produce section. Which of the following is a correct set of lıypothesis for the appropriate test of significance? (a) H A-j=0; HR-,0 (b) HA- , = 0; H.- , > 0 (c) HP-P,=0;H, A P+0 (d) HB-P,=0H, PP, <0 (e) H:A-P=0H A-P>0