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A sample of 500 part-time students revealed that their annual incomes were normally distributed with a mean income of $30,000 and a standard deviation of $3,000
A sample of 500 part-time students revealed that their annual incomes were normally distributed with a mean income of $30,000 and a standard deviation of $3,000. The number of students who earned more than $36,000 was ______. Hints: Find the z value (use the Area under the Normal Curve appendix); remember that the area you are looking for is in the right tail; then apply this area to the total number of students.
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