Question: Refer to Review Exercise 9.104. Suppose there is concern about whether or not the point estimates p = 8/30 is accurate enough because the confidence

Refer to Review Exercise 9.104. Suppose there is concern about whether or not the point estimates p = 8/30 is accurate enough because the confidence interval around p is not sufficiently narrow. Using p as our estimate of p, how many companies would need to be sampled in order to have a 95% confidence interval with a width of only 0.05?

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