Question: Basic Computation: Confi dence Interval for p Consider n 5 200 binomial trials with r 5 80 successes. (a) Check Requirements Is it appropriate to

Basic Computation: Confi dence Interval for p Consider n 5 200 binomial trials with r 5 80 successes.

(a) Check Requirements Is it appropriate to use a normal distribution to approximate the pˆ distribution?

(b) Find a 95% confi dence interval for the population proportion of successes p.

(c) Interpretation Explain the meaning of the confi dence interval you computed.

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