Customers who participate in a company's yearly survey are rewarded with discounts throughout the following year. The discounts allow the company to keep track of the customer's shopping habits and potentially sell these data to third parties. A national survey released last year revealed that 160 of a random sample of 200 U.S. adults would agree to participate in this type of survey program. Let p represent the true proportion of all customers who would participate in a survey program. Round all values to 2 decimal places. a. Compute a point estimate of p. hatp= b. Consider a store owner who claims that less than 90% of all customers would participate in a loyalty card program. Set up the null and alternative hypotheses for testing whether the true proportion of all customers who would participate in a store loyalty card program does not exceed 90%. select the correct # from the following choices: 1. Hop.9, Ha: p