SAT, 21.01.2021 05:20, capricorn0115

10) A competency test has scores with a mean of 255 and a standard deviation of 61. A histogram of the data shows that the distribution is
normal. Use the Empirical Rule to find the percentage of scores higher than 72

Answers: 3

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10) A competency test has scores with a mean of 255 and a standard deviation of 61. A histogram of...