A hat contains one thousand-dollar bill and four five-dollar bills. Five persons, one at a time, each draw a bill at random and keep it. Let X₁ be the value of the first person's bill, X₂ the value of the second person's bill, etc. Find: a. E(X₁). b. E(XS). c. Var(X₁). d. Var(X3). e. E(X₁ +...+X5). f. Var(X₁ +...+X5).

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A hat contains one thousand-dollar bill and four five-dollar bills.
Five persons, one at a time, each draw a bill at random and keep
it. Let X₁ be the value of the first person's bill, X₂ the value of
the second person's bill, etc. Find:
a. E(X₁).
b. E(XS).
c. Var(X₁).
d. Var(X3).
e. E(X₁ +...+X5).
f. Var(X₁ + + X5).
Transcribed Image Text:A hat contains one thousand-dollar bill and four five-dollar bills. Five persons, one at a time, each draw a bill at random and keep it. Let X₁ be the value of the first person's bill, X₂ the value of the second person's bill, etc. Find: a. E(X₁). b. E(XS). c. Var(X₁). d. Var(X3). e. E(X₁ +...+X5). f. Var(X₁ + + X5).
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