The mean annual income for people in a certain city (in thousands...

The mean annual income for people in a certain city (in thousands of dollars) is 44, with a standard deviation of 31. A pollster draws a sample of 38 people to interview. What is the probability that the sample mean income is less than 38 (thousands of dollars)?

Math Statistics and Probability

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Step-by-step explanation

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The mean annual income for people in a certain city (in thousands...

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