SOLUTION: Assume that a set of test scores is normally distributed with a mean of 80 and a standard deviation of 25. Use the 68-95-99.7 rule to find the following quantities.
The percenta
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The percenta
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Question 951380: Assume that a set of test scores is normally distributed with a mean of 80 and a standard deviation of 25. Use the 68-95-99.7 rule to find the following quantities.
The percentage of scores less than 80 is___ Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Assume that a set of test scores is normally distributed with a mean of 80 and a standard deviation of 25. Use the 68-95-99.7 rule to find the following quantities.
The percentage of scores less than 80 is___
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(80-80)/25 = 0
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Percent < 80 = Normal Percent < 0 = 50%
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Cheers,
Stan H.
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