TV sets According to the Nielsen Company the mean number of TV sets in a...
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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 90 households is drawn Part 1 of 5 Question Attemp For 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 9481 Part 1 5 Part 2 of 55 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 m
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