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Mathematics, 05.05.2020 18:17 naiomireyes74p2aybs
The mean annual income for people in a certain city (in thousands of dollars) is 42, with a standard deviation of 30. A pollster draws a sample of 90 people to interview. a. What is the probability that the sample mean income is less than 38?
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The mean annual income for people in a certain city (in thousands of dollars) is 42, with a standard...
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