A university dean is interested in determining the proportion of students who re

Question

A university dean is interested in determining the proportion of students who receive some sort of financial aid. Rather than examine the records for all students, the dean randomly selects 200 students and finds that 118 of them are receiving financial aid. The 95% confidence interval for is 0.59 ± 0.07. Interpret this interval. Select one: a. We are 95% confident that the true proportion of all students receiving financial aid is between 0.52 and 0.66. b. We are 95% confident that between 52% and 66% of the sampled students receive some sort of financial aid. c. We are 95% confident that 59% of the students are on some sort of financial aid. d. 95% of the students get between 52% and 66% of their tuition paid for by financial aid.

Explanation / Answer

a. We are 95% confident that the true proportion of all students receiving financial aid is between 0.52 and 0.66

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