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14-12-2022
Mathematics

Answered

Assume that a set of test scores is normally distributed with a mean of 110 and a standard deviation of 25. Use the 68-95-99.7 rule to find the following quantities.
a The percentage of scores less than 110 is
(Round to one decimal place as needed)
& The percentage of scores greater than 135 is
(Round to one decimal place as needed)
c. The percentage of scores between 60 and 135 is N
(Round to one decimal place as needed)

Answer :

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