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An examination is normally distributed with a mean score of 77 and a standard deviation of 6. Find the percent of individuals scoring as indicated

An examination is normally distributed with a mean score of 77 and a standard deviation of 6. Find the percent of individuals scoring as indicated below. (Round your answers to the nearest tenth percent.)

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a. Between 71 and 83

b. Between 83 and 65

c. Above 89

d. Less than 65

e. Between 77 and 65

Mean (u) One standard deviation below the mean One standard deviation above the mean 34% 34% 2.35% 2.35% 13.5% 13.5% Scale of X mean 68% of the data H +/- 10 95% of the data I +/- 20 99.7% of the data u +/- 30

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