From a large number of actuarial exam scores, a random sample of 275 scores is selected, and it is found that 187 of these 275 are passing scores. Based on this sample, find a 90%
From a large number of actuarial exam scores, a random sample of 275 scores is selected, and it is found that 187 of these 275 are passing scores. Based on this sample, find a 90%
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
From a large number of actuarial exam scores, a random sample of
275
scores is selected, and it is found that
187
of these
275
are passing scores. Based on this sample, find a
90%
confidence interval for the proportion of all scores that are passing. Then find the lower limit and upper limit of the
90%
confidence interval.
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