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A leading medical journal claims that 71% of roller-coaster riders experience extreme anxiety just before the ride begins. A popular theme park wants to conduct a survey to verify this with the patrons in the park and wants to do so with a margin of error (ME) of ±8%. What minimum sample size, rounded to the nearest whole person, does the theme park need to use?

N ≥ 75

N ≥ 150

N ≥ 118

N ≥ 129

Verified Answer :

CharlieStryker


A
leading medical journal claims that 71% of roller-coaster riders
experience extreme anxiety just before the ride begins. A popular
theme park wants to conduct a survey with a margin of error of ±8%.
The minimum sample size, rounded to the nearest whole person is:






Answer: N
≥ 129




I
hope it helps, Regards.

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