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Mathematics, 18.10.2021 01:00 helpmelol37

On a multiple-choice test with 16 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the random variable X, the number of correct answers.34)A)2B)1.677C)3D)1.732E)1. 746

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On a multiple-choice test with 16 questions, each question has four possible answers, one of which i...
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