Suppose (X₁, X2, ..., X9) is a random sample from Normal(u = 2,0² = 42). Let X the sample mean of X₁, X₂, ..., X, and S² be the sample variance of X₁, X₂,...,X9. items asking for the distribution of a statistic, do not forget to specify parameters. a. Find P(1-21).
Suppose (X₁, X2, ..., X9) is a random sample from Normal(u = 2,0² = 42). Let X the sample mean of X₁, X₂, ..., X, and S² be the sample variance of X₁, X₂,...,X9. items asking for the distribution of a statistic, do not forget to specify parameters. a. Find P(1-21).
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transcribed Image Text:2. Suppose (X₁, X2, ...,X9) is a random sample from Normal (u = 2,0² = 4²). Let X be
the sample mean of X₁, X₂, ..., X, and S² be the sample variance of X₁, X₂,..., X9. For
items asking for the distribution of a statistic, do not forget to specify the
parameters.
a. Find P(¹-21).
4
b. Find P(|X₁-2|< 1). (Hint: Recall that |x| ≤ a means that -a ≤x≤a.)
c. Find P(|X-2|< 1).
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