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Assume that a set of test scores is normally distributed with a mean of 120 and...

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Basic Math

Assume that a set of test scores is normally distributed with amean of 120 and a standard deviaton of 5. Use the 68-95-99.7 ruleto the find the followng quantities.

a. The percentage of scores less than 120 is ____% (round to onedecimal place as needed).

b. The percentage of scores greater than 125 is ______% (roundto one decimal place as needed).

c. The percentage of scores between 110 and 125 is ____% (roundto one decimal place as needed).

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