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Statement of a problem № m70

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A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Compute the probability the sample mean is: a. Less than 74. b. Between 74 and 76. c. Between 76 and 77. d. Greater than 77.

Solution:
A normal population has a mean of 75 and a standard deviation of 5. You select a

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