According to a poll, cholesterol levels in healthy adult citizens of a major city average about

205

mg/dL with a standard deviation of

40

mg/dL and are roughly Normally distributed. The cholesterol levels of a sample of

41

healthy adults is taken. Complete parts a through d.

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Part 1

a) What is the probability that the mean cholesterol level of the sample will be no more than 205?

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(Type an integer or a decimal. Round to three decimal places as needed.)