When Mrs. Myles gave a test, the scores were normally distributed with a mean of 72 and a standard deviation of 8. About 68% of her students scored between which two scores?

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Ptival · Answer 1 · 2018-08-12T23:14:25+0000

For a normal distribution about
68% corresponds to one standard deviation either side of the mean so the required scores are

64 to 80.