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## Let X denote the number of scores which exceed 4 in 18 tosses of a symmetrical die. Consider the following statements: 1. The arithmetic mean of X is 6. 2. The standard deviation of X is 2. Which of the above statements is/are correct?

## A. 1 only B. 2 only C. Both 1 and 2 D. Neither 1 nor 2

Asked On2019-06-26 10:37:56 by:Jaynil-Gaglani

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Download question setAnswers## Let X denote the number of scores which exceed 4 in 18 tosses of a symmetrical die. Consider the following statements: 1. The arithmetic mean of X is 6. 2. The standard deviation of X is 2. Which of the above statements is/are correct?

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