"Unbelievable!" Clark exclaimed as he slammed the remote control down on his coffee table. Clark, owner of the popular Clark's Pizza Emporium in downtown Metropolis, was enraged by a television advertisement for rival Lex's Pizza Shack. While Clark's business had been strong lately owing to the success of his signature product, the 18-inch "Superpizza," Lex was now threatening this success with a new offering, the "Megalopizza," which the ad claimed averaged a whopping 19 inches in diameter. Clark has his doubts that Lex will be able to make good on his claims for two reasons. First, Lex has proven to be a less than honest competitor in the past. Second, Clark's study of pizza physics suggests that it is impossible to sustainably produce high-quality pizza at a size of 19 Inches.f} (5 pts) What is the minimum number of randomly selected people Clark should include in his focus group if he wants to be sure that he will be able to calculate a 95% confidence interval no larger than "plus or minus 0.05\" for the true proportion of people who prefer Clark's pizza? g] {4 pts] Suppose it were true that the population proportion of people who prefer Clark's pizza is only 25%. In a focus group of it] people. what is the propalailitfir that the number of people who prefer Clark's pizza is at least 3 and no more than 5