OpenStax, Introductory Statistics 2e §7.3 Using the Central Limit Theorem · Exercise 38 · Statistics · Sampling distributions
Using the Central Limit Theorem · Exercise 38
Salaries for teachers in a particular elementary school district are normally distributed with a mean of $44,000 and a standard deviation of $6,500. We randomly survey ten teachers from that district.
(a) Find the 90^th percentile for an individual teacher’s salary.
(b) Find the 90^th percentile for the average teacher’s salary.
OpenStax, Introductory Statistics 2e · §7.3 Using the Central Limit Theorem · Exercise 38
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