Approximate Binomial Probabilities Using the Normal Distribution

question 4

Essay

Approximate Binomial Probabilities Using the Normal Distribution
-A recent survey found that 72% of all adults over 50 own cell phones. You randomly select 45 adults over 50, and ask if he or she owns a cell phone. Decide whether you can use the normal distribution to approximate the binomial distribution. If so, find the mean and standard deviation, If not, explain why.

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Definitions:

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