When can the Empirical Rule be used to identify unusual results in a binomial ex

Question

When can the Empirical Rule be used to identify unusual results in a binomial experiment? Why can the Empirical Rule be used to identify results in a binomial experiment? Choose the correct answer below distribution is approximately bell shaped, about 95% of the outcomes will be in the interval mes will be in the interval from om -2 to + 2 The Empirical Rule can be used to den if A O B. When the binomial results in binomial experiments when np 1-p 210 al experiments when np 1-p)s10 When the binomial tion is approximately bell shaped, about 95% of the outco -2 to +2o. The Empirical Rule can be used to identify results in binomi C. When the binomial distribution is approximately bell shaped about 95% of the outcomes will be in the interval om -2np to + 2np The Empirical Rule can be used to identify results in binomial experiments when np 1 D When about 95% of the outcomes will be in the interval om -2 to + 2 The Empirical Rule can always be used to identify results in binomial experiments. p 210 the binomial distribution is approximately bell shaped

Explanation / Answer

The correct answer is A, only when np(1-p)>=10, the binomial distribution behaves like a normal distribution.

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