STA 4442/5440 Midterm 1
September 26, 2012
Name:
FSUID:
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condu
Homework 7 Solutions
October 29, 2012
STA 4442/5440
Solutions of problems from Sheldon Ross book (8th Edition) Chapter 5
5.6.
a) Apply integration by parts twice to obtain,
E [X ] =
1
4
x2 ex/2 dx = 4
0
b) By symmetry of f (x) about x = 0, E [X ] = 0.
c)
Homework 3 Solutions
September 23, 2012
STA 4442/5440
Solutions of problems from Sheldon Ross book (8th Edition) Chapter 3
11. Let B be the event that both cards are aces, As the event that the ace of spades is
chosen and A the event that at least one ace
Homework 2 Solutions
September 22, 2012
STA 4442/5440
Solutions to the problems from Sheldon and Ross
10. Let P (A) be the probability that a student wears a ring. Let P (B ) be the probability
that a student wears a necklace. Then from the information gi