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banggedung banggedung
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A die is rolled 20 times and the number of twos that come up is tallied. If this experiment is repeated many times, find the standard deviation for the random variable X, the number of twos.

▸ 1.667

▸ 2.24

▸ 1.624

▸ 1.673
Textbook 
Introductory Statistics

Introductory Statistics


Edition: 10th
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JennyyyJennyyy
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