This question: 1 point(s) possible Submit test The quarterly returns for a group of 78 mutual...
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This question: 1 point(s) possible Submit test The quarterly returns for a group of 78 mutual funds are well modeled by a Normal model with a mean of 7.9% and a standard deviation of 3.1%. Use the 68-95-99.7 Rule to find the cutoff values that would separate the following percentages of funds, rather than using technology to find the exact values. a) the highest 50% b) the highest 16% c) the lowest 2.5% d) the middle 68% a) Select the correct choice and fill in any answer boxes in your choice below. (Round to one decimal place as needed.) OA. X % % % OB. x OC. %x b) Select the correct choice and fill in any answer boxes in your choice below. (Round to one decimal place as needed.) OA. % x OB. X O c. xs % % % c) Select the correct choice and fill in any answer boxes in your choice below. (Round to one decimal place as needed.) O A. x OB. X % % O C. % x % d) Select the correct choice and fill in any answer boxes in your choice below. (Round to one decimal place as needed.) OA. XS % % < This question: 1 point(s) possible Submit test The quarterly returns for a group of 78 mutual funds are well modeled by a Normal model with a mean of 7.9% and a standard deviation of 3.1%. Use the 68-95-99.7 Rule to find the cutoff values that would separate the following percentages of funds, rather than using technology to find the exact values. a) the highest 50% b) the highest 16% c) the lowest 2.5% d) the middle 68% a) Select the correct choice and fill in any answer boxes in your choice below. (Round to one decimal place as needed.) OA. X % % % OB. x OC. %x b) Select the correct choice and fill in any answer boxes in your choice below. (Round to one decimal place as needed.) OA. % x OB. X O c. xs % % % c) Select the correct choice and fill in any answer boxes in your choice below. (Round to one decimal place as needed.) O A. x OB. X % % O C. % x % d) Select the correct choice and fill in any answer boxes in your choice below. (Round to one decimal place as needed.) OA. XS % % <
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