The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of 20. A sample size of 40 is drawn randomly. Find the probability that the sum of the 40 values is greater than 7,450. (Round your answer to four decimal places.) 0.3520 How is the central limit theorem for sums z-score formula used to find the probability?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 66E
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The distribution of results from a cholesterol test has a mean of 180 and a
standard deviation of 20. A sample size of 40 is drawn randomly.
Find the probability that the sum of the 40 values is greater than 7,450.
(Round your answer to four decimal places.)
0.3520
How is the central limit theorem for sums z-score formula used to find the
probability?
Additional Materials
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Transcribed Image Text:The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of 20. A sample size of 40 is drawn randomly. Find the probability that the sum of the 40 values is greater than 7,450. (Round your answer to four decimal places.) 0.3520 How is the central limit theorem for sums z-score formula used to find the probability? Additional Materials eBook
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