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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
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:(Round z values to 2 decimal places andfinalanswers to 4 decimal places): |
a. | Less than 74. |
Probability = |
b. | Between 74 and 76. |
Probability = |
c. | Between 76 and 77. |
Probability = |
d. | Greater than 77. |
Probability = |
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