OpenStax, Introductory Statistics 2e §7.3 Using the Central Limit Theorem · Try It 1 · Statistics · Sampling distributions
Using the Central Limit Theorem · Try It 1
Use the information in, but use a sample size of 55 to answer the following questions.
(a) Find P( < 7).
(b) Find P(Σx > 170).
(c) Find the 80^th percentile for the mean of 55 scores.
(d) Find the 85^th percentile for the sum of 55 scores.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §7.3 Using the Central Limit Theorem · Try It 1
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