Should you use the binomial distributionin each situation, Ask an Expert

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Should you use the binomial distribution?

In each situation below, is it reasonable to use a binomial distribution for the random variable X? Give reasons for your answer in each case.

(a) A random sample of students in a ?tness study.

X is the mean systolic blood pressure of the sample.

(b) A manufacturer of running shoes picks a random sample of the production of shoes each day for a detailed inspection. Today's sample of 20 pairs of shoes includes 1 pair with a defect.

(c) A nutrition study chooses an SRS of college students. They are asked whether or not they usually eat at least ?ve servings of fruits or vegetables per day. X is the number who say that they do.

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