SOLUTION: Assume that a set of test scores is normally distributed with a mean of 120 and a standard deviation of 5. Use the 68-95-99.7 rule to find the following quantities.
a. The percent
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-> SOLUTION: Assume that a set of test scores is normally distributed with a mean of 120 and a standard deviation of 5. Use the 68-95-99.7 rule to find the following quantities.
a. The percent
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Question 1003711: Assume that a set of test scores is normally distributed with a mean of 120 and a standard deviation of 5. Use the 68-95-99.7 rule to find the following quantities.
a. The percentage of scores less than 120 is ____%. Answer by richard1234(7193) (Show Source):
You can put this solution on YOUR website! The mean is 120 and it's normally distributed, right? Which means that the distribution is symmetric about 120.
