DashayQ153095 DashayQ153095

28-10-2022
Mathematics

Answered

The mean score of a competency test is 73, with a standard deviation of 4. Use the Empirical Rule to find the percentage of scores between 69 and 77. (Assume the data set has a bell-shaped distribution.) O A. 50% B. 99.7% O C.68% O D. 95%

The mean score of a competency test is 73 with a standard deviation of 4 Use the Empirical Rule to find the percentage of scores between 69 and 77 Assume the da class=

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