Express a confidence interval defined as (0.432, 0.52) in the form of the point estimate ________ ± the margin of error ________. Express both in three decimal places.
A) 0.432; 0.088
B) 0.432; 0.044
C) 0.476; 0.088
D) 0.476; 0.044

Question

Quizplus · Accepted Answer

The point estimate is the midpoint of the interval: (0.432 + 0.52) / 2 = 0.476. The margin of error is half the width of the interval: (0.52 - 0.432) / 2 = 0.044.

Express a Confidence Interval Defined as (0