A researcher reports with 90% confidence that 31% to 37% of Americans believe in ghosts.What is the point estimate for this interval?
A) 31%
B) 34%
C) 37%
D) 31% to 37%

Name: A researcher reports with 90% confidence that 31% to 37% of Americans believe in ghosts.What is the point estimate for this interval? A) 31% B) 34% C) 37% D) 31% to 37%
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Question

Quizplus · Accepted Answer

The point estimate is the middle value of the interval, which is the average of the lower and upper bounds. Thus, the point estimate is (31% + 37%) / 2 = 34%.

A Researcher Reports with 90% Confidence That 31% to 37