Mathematics, 27.12.2020 16:10 harleyandpope90
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.
a) Use a 90% confidence interval to estimate the true proportion of students who receive financial aid. Explain/show how you obtain your answer.
b) If the dean wanted to estimate the proportion of all students receiving financial aid to within 3% with 99% reliability, how many students would need to be sampled? Explain/show how you obtain your answer.
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