OpenStax, Introductory Statistics 2e §7.2 The Central Limit Theorem for Sums · Exercise 5 · Statistics · Sampling distributions
The Central Limit Theorem for Sums · Exercise 5
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 7,500.
OpenStax, Introductory Statistics 2e · §7.2 The Central Limit Theorem for Sums · Exercise 5
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