Find the mean and standard deviation

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A binomial experiment is given. Decide whether you can use the normal distribution to approximate the binomial distribution. If you? can, find the mean and standard deviation. If you? cannot, explain why.

A survey of adults found that 67?% have used a multivitamin in the past 12 months. You randomly select 40 adults and ask them if they have used a multivitamin in the past 12 months.

Select the correct answer below? and, if? necessary, fill in the answer boxes within your choice.

A. ?No, because nq<5.

B. ?No, because np<5.

C. Yes, the mean is ____ and the standard deviation is ____

?(Round to two decimal places as? needed.)

Reference no: EM132857424

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