Question: I need the answer for part 3! TV sets: According to the Nielsen Company, the mean number of TV sets in a U.S. household in

I need the answer for part 3!

TV sets: According to the Nielsen Company, the mean number of TV sets in a U.S. household in 2013 was 2.24. Assume the standard deviation is 1.4. A sample of 80 households is drawn. OO Part 1 of 5 (a) What is the probability that the sample mean number of TV sets is greater than 2? Round your answer to at least four decimal places. The probability that the sample mean number of TV sets is greater than 2 is | 0.9374 Part 2 of 5 (b) What is the probability that the sample mean number of TV sets is between 2.5 and 3? Round your answer to at least four decimal places. The probability that the sample mean number of TV sets is between 2.5 and 3 is 0.0483 Part: 2 / 5 Part 3 of 5 (c) Find the 40 percentile of the sample mean. Round your answer to at least two decimal places. The 40" percentile of the sample mean is

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