Mathematics, 07.04.2021 21:20 Xlhoncho45

A principal of a large high school wants to estimate the true proportion of high school students who use the community’s public library. To do so, he selects a random sample of 50 students and asks them if they use the community’s public library. The 95% confidence interval for the true proportion of all students who use the community’s public library is 0.25 to 0.34. If the principal had used a sample size of 200 students rather than 50 students, how would the length of the second interval compare to the original interval? It would be half as wide.
It would be twice as wide.
It would be one-fourth as wide.
It would be four times as wide.

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A principal of a large high school wants to estimate the true proportion of high school students who...