39
QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 39 • Probability and Statistics with Applications Honors Sem-2-FL-1210300 (2024-2025)

At a local college, an admissions officer surveys the incoming class of 1,000 first-year students concerning their preference of major. The officer randomly selects 100 of them and asks if they intend to major in liberal arts. Of the 100 first-year students, 62 state they intend on majoring in liberal arts. Assuming the conditions for inference have been met, what is the 95% confidence interval for the true proportion of first-year students who intend on majoring in liberal arts?

Answer
A
0.38 plus-or-minus 1.96 StartRoot StartFraction 0.38 (1 minus 0.38) Over 100 EndFraction EndRoot
Option A
B
0.62 plus-or-minus 1.96 StartRoot StartFraction 0.62 (1 minus 0.62) Over 100 EndFraction EndRoot
Option B
C
0.38 plus-or-minus 1.65 StartRoot StartFraction 0.38 (1 minus 0.38) Over 1000 EndFraction EndRoot
Option C
D
0.62 plus-or-minus 1.65 StartRoot StartFraction 0.62 (1 minus 0.62) Over 1000 EndFraction EndRoot
Option D
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