21
QuizMultiple Choice

Unit Test — Unit test

Question 21 • Probability and Statistics with Applications Honors Sem-2-FL-1210300 (2024-2025)

At a 95% confidence interval for p, the proportion of all US adults who exercise regularly is 0.562 to 0.684. Is it reasonable to believe more than two-thirds of US adults exercise regularly?

Answer
A
Yes, because 0.667 is in the interval.
B
Yes, because there are values greater than 0.667 in the interval.
C
No, because there are values less than 0.667 in the interval.
D
No, because the center of the interval is 0.623, which is less than 0.667.
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