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Mathematics, 06.03.2020 21:58 prayingfeet7799

For a statistics test with a mean of 70 and a standard deviation of 8, find the percentage of people with test scores between the following scores
a. 71 & 84 c. 78 & 86

b. 62 & 78. d. 90 & 100

e. 50 & 70

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