Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN: 9781133382119
Author: Swokowski
Publisher: Cengage
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![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
=](https://content.bartleby.com/qna-images/question/244d6c99-1af7-41f8-abd2-7460c0e18ea6/5dc1ee72-eaa3-4b3b-9d54-eb7f8727a7f6/vtyq2tu_thumbnail.png)
Transcribed Image Text: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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