The proportion of eligible voters in the next election who will vote for the incumbent is assumed to be 54%. What is the

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The Proportion Of Eligible Voters In The Next Election Who Will Vote For The Incumbent Is Assumed To Be 54 What Is The 1 (45.53 KiB) Viewed 140 times

The proportion of eligible voters in the next election who will vote for the incumbent is assumed to be 54%. What is the probability that in a random sample of 400 voters less than 40% say they will vote for the incumbent? (Round your answer to four decimal places) A commercial for a manufacturer of household appliances claims that 46 of all its products require a service call in the first year. A consumer protection association wants to check the claim by surveying 320 households that recently purchased one of the company's appliances. What is the probability that more than 6% require a service call within the first year? (Round your answer to four decimal places) What would you say about the commercial's honesty if in a random sample of 320 households 6% report at least one service call? The commercial appears to be --Select-- A university bookstore claims that 50% of its customers are satisfied with the service and prices. (a) If this claim is true, what is the probability that in a random sample of 700 customers less than 46% are satisfied? (Round your answer to four decimal places) (b) Suppose that in a random sample of 700 customers, 322 express satisfaction with the bookstore. What does this tell you about the bookstore's claim? The claim appears to be --Select-- Most televised baseball games display a pitch tracker that shows whether the pitch was in the strike zone, which in turn shows whether the umpire made the correct call Major League Baseball keeps track of how well each umpire calls games. Batters swing at approximately 45% of all pitches. As a result umpires need to make calls on the other 55%. The best umpires get 11% of their calls wrong and the worst get 12% wrong. Suppose that in an average game the best umpire makes calls on 120 pitches. If we assume that the calls in a game are random, what is the probability that the umpire gets less than 8% wrong? (Round your answer to four decimal places) (Ctrl) Y