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 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

Another question on Mathematics

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