Solution-Graph relevant normal distribution using graphing

Graph relevant normal distribution using graphing utility

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Reference no: EM131629619

Question: Market research. A newspaper publisher claims that 70% of the people in a community read their newspaper. Doubting the assertion, a competitor randomly surveys 200 people in the community. Based on the publisher's claim (and assuming a binomial distribution):

(A) Compute the mean and standard deviation of the binomial distribution.

(B) Determine whether the rule-of-thumb test warrants the use of a normal distribution to approximate this binomial distribution.

(D) Determine the approximate probability of finding 125 or fewer readers in the sample.

(E) Use a graphing utility to graph the relevant normal distribution.

Reference no: EM131629619

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Graph relevant normal distribution using graphing utility

Reference no: EM131629619

Reference no: EM131629619

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