A biased die is thrown thirty times and the number sixes seen is eight. If the die is thrown a further twelve times find the expected numbers of sixes and the variance of the number of sixes. * E(X)=3.1 and Var.=2.346 O None of the choices O E(X)=3.2 and Var.=2.346 E(X)=3.2 and Var.=2.347
A biased die is thrown thirty times and the number sixes seen is eight. If the die is thrown a further twelve times find the expected numbers of sixes and the variance of the number of sixes. * E(X)=3.1 and Var.=2.346 O None of the choices O E(X)=3.2 and Var.=2.346 E(X)=3.2 and Var.=2.347
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 20E
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Transcribed Image Text:A biased die is thrown thirty times and the number sixes seen is eight. If the die
is thrown a further twelve times find the expected numbers of sixes and the
variance of the number of sixes. *
E(X)=3.1 and Var.=2.346
None of the choices
E(X)=3.2 and Var.=2.346
E(X)=3.2 and Var.=2.347
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