1. * 1. E(x) = 4ß and Var(x) = 43² True O False 2. * 2. x~N (4B, 41²) 25 True False

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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Q4: Let i denote the mean of a random sample of size 25 from a gamma type distribution with
a = 4 and B > 0. Then
1. *
1. E(x) = 43 and Var(x) = 48²
O True
O False
2. *
2. x~N (4B, 4B²³)
25
O True
O False
Transcribed Image Text:Q4: Let i denote the mean of a random sample of size 25 from a gamma type distribution with a = 4 and B > 0. Then 1. * 1. E(x) = 43 and Var(x) = 48² O True O False 2. * 2. x~N (4B, 4B²³) 25 O True O False
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