a) b) c) P(X>Y+1), a constant c such that P ( standard deviation of X, X-³

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Suppose that the random variables X₁,..., X, and Y₁,...,Y, are random sample
from independent normal distributions N (3,8) and N(3,15), respectively.
Calculate
a)
b)
c)
P(X>Ỹ+1),
a constant c such that P
standard deviation of X,
X - 3
S
<c=0.95 where S is a sample
<c)=0
a constant c such that P(S<c)=0.95 where S is as in (b).
[Note: Please show the derivations of all the distributions.]
Transcribed Image Text:Suppose that the random variables X₁,..., X, and Y₁,...,Y, are random sample from independent normal distributions N (3,8) and N(3,15), respectively. Calculate a) b) c) P(X>Ỹ+1), a constant c such that P standard deviation of X, X - 3 S <c=0.95 where S is a sample <c)=0 a constant c such that P(S<c)=0.95 where S is as in (b). [Note: Please show the derivations of all the distributions.]
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