A find an 80 confidence interval ci for p the probability


Suppose the number of successes in n = 200 binomial trials is 25.

a. Find an 80% confidence interval (CI) for p, the probability of success at each trial.

b. Find a 90% CI for p. Why is this interval wider than the previous one?

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Basic Statistics: A find an 80 confidence interval ci for p the probability
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