Suppose X1, X, are iid, each with some unknown distribution that has an expected value of μ = 25.7 and a standard deviation of σ = 4.3 a) if n = 50, find the approximate probability that the average X is less than 25. b) repeat part a for n = 100 and n 1,000 =

Suppose X1, X, are iid, each with some unknown distribution that has an expected value of μ = 25.7 and a standard deviation of σ = 4.3 a) if n = 50, find the approximate probability that the average X is less than 25. b) repeat part a for n = 100 and n 1,000 =

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 22E

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Question

Suppose X1, X, are iid, each with some unknown distribution that has an expected value of μ = 25.7
and a standard deviation of σ = 4.3
a) if n = 50, find the approximate probability that the average X is less than 25.
b) repeat part a for n = 100 and n 1,000
=

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