The mean score of a competency test is 66, with a standard deviation of 5. Use the empirical rule to find the percentage of scores between 61 and 71. (Assume the data set has a bell-shaped distribution) O A. 95% O B. 68% O C. 50% O D. 99.7%

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The mean score of a competency test is 66, with a standard deviation of 5. Use the empirical rule to find the percentage of scores between 61 and 71. (Assume the data set has a bell-shaped distribution.)
O A. 95%
O B. 68%
O C. 50%
O D. 99.7%
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Transcribed Image Text:This The mean score of a competency test is 66, with a standard deviation of 5. Use the empirical rule to find the percentage of scores between 61 and 71. (Assume the data set has a bell-shaped distribution.) O A. 95% O B. 68% O C. 50% O D. 99.7% Click to select your answer 1:52 PM 3/28/2021 esc break prt sc home end insert @ 23 2$ 4. & 3 Q W tab E T Y
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