Suppose that the time in minutes it takes a student to complete an assignment is normally distributed with a mean 50 and variance 100 then the 85th percentile of the average time it takes a random sample of 16 students to complete the assignment is closest to O a. 40. O b. 76. О с. 47. d. 60. e. 53.

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Suppose that the time in minutes it takes a student to complete an assignment is normally
distributed with a mean 50 and variance 100 then the 85th percentile of the average time it
takes a random sample of 16 students to complete the assignment is closest to
а. 40.
b. 76.
О с. 47.
O d. 60.
О е. 53.
Transcribed Image Text:Suppose that the time in minutes it takes a student to complete an assignment is normally distributed with a mean 50 and variance 100 then the 85th percentile of the average time it takes a random sample of 16 students to complete the assignment is closest to а. 40. b. 76. О с. 47. O d. 60. О е. 53.
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