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 1.1 . A sample of 90 households is drawn. Part: 0 / 5 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 |0.9779 X 5 Part: 1 / 5 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 1. X 5 Part: 2 / 5 Part 3 of 5 (c) Find the 10" percentile of the sample mean. Round the answer to at least two decimal places. The 10 percentile of the sample mean is |1. X 5 Part: 3 / 5 Part 4 of 5 (d) Would it be unusual for the sample mean to be less than 2? Round your answer to at least four decimal places. It (Choose one) v unusual because the probability of the sample mean being less than 2 is | |