The average daily high temperature in february in fort

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The average daily high temperature in February in Fort Collins is 47 degrees (weatherchannel.com). Assume that the daily high temperatures in Fort Collins in February follow a normal distribution. Use the given average as a population mean, with a population standard deviation of 6 degrees.

(a) What is the probability that one randomly selected day will have a high temperature between 42 and 52 degrees?

(b) What is the probability that a simple random sample of 4 days will provide a sample mean between 42 and 52 degrees?

(c) What is the probability that a simple random sample of 8 days will provide a sample mean between 42 and 52 degrees?

Reference no: EM13642001

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