A population has a proportion equal to 0.30. Calculate the following probabilities with n = 100. Find P( ≥ 0.27).
A) 0.7422
B) 0.8141
C) 0.6125
D) 0.6841

Question

Quizplus · Accepted Answer

The probability of getting a sample proportion of 0.27 or more is the same as the probability of getting a sample proportion of less than 0.27. The probability of getting a sample proportion of less than 0.27 is 1 - P(X ≥ 0.27) = 1 - 0.7422 = 0.2578.

A Population Has a Proportion Equal to 0