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26 July, 19:46

Which of the following statements regarding a binomial experiment is false, where n is the number of trials, and p is the probability of success in each trial?

A. The standard deviation is np (1 - p).

B. The mean is np.

C. The n trials are independent.

D. There are only two possible outcomes.

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  1. 26 July, 22:46
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    A. The standard deviation is np (1 - p).

    Step-by-step explanation:

    The variance of the number of successes/failures is measured by (σ2x) is n * P * (1 - P).

    The standard deviation (σx) is square root of [ n * P * (1 - P) ]

    The mean is np.
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