Mathematics, 02.08.2021 20:40 cifjdhhfdu
The mean annual income for people in a certain city (in thousands of dollars) is 40, with a standard deviation of 32. A pollster draws a sample of 38 people to interview, What is the probability that the sample mean income is less than 42 (thousands of dollars)?
0.3121
0.6141
0.6517
.0.6879
Answers: 2
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The mean annual income for people in a certain city (in thousands of dollars) is 40, with a standard...
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