Question

In a d stribution where the mean 60 and the standard deviation is 3 find the largest fraction of the numbers that could meet
58 61 63 56 55 50 56 62 54
scores of the 54 members of a sociology lecture class on a 70-point exam listed to the right. Use five classes with a uniform
e scores of the 54 members of a sociology lecture class on a 70-point exam listed to the right. Use five classes with a unifo
60 63 64 52 60 58 63 53 56 are listed to the right. Use five classes with a uniform class width of 5 points, and 64 48 54 64
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Answer #1

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Less than 45 or more than 75 is 5 standard deviations away from the mean

P = 0.0000

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