The standard deviation is 22. So 1 and a half standard deviations is 1.5*22 =33. So 110-33 = 77 is the score that is 1.5 standard deviations from the mean.
Christy K.
asked • 05/12/19The scores on a test are normally distributed with a mean of 110 and a standard deviation of 22. What is the score that is 1 and one half standard deviations below the mean?
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