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Suppose the number of successes in n = 200 binomial trials is 20. (a) Find a 90% confidence interval (CI) for p, the probability of
Suppose the number of successes in n = 200 binomial trials is 20. (a) Find a 90% confidence interval (CI) for p, the probability of success at each trial. (b) Find a 98% CI for p. Why is this interval wider than the previous one?
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