Anti-Quiz # 3
CS/SE 3341
Suppose that
and
X
Y
SOLUTIONS
are independent random variables, and eah of them has a probability mass
funtion
P (1)
(a) Compute the probability
= 0 :1;
P (X
(b) Compute the expeted value
P (2)
P (3)
7).
+Y
E (X
= 0 :2;
= 0 :3;
CS/SE 3341
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Quiz # 10
Total points = 10. Time = 10 minutes.
Show your work. No points will be given if the appropriate work is not shown, even if the answer is correct.
Take a deep breath and relax.
A certain electronic part is gu
CS/SE 3341
SOLUTIONS
Anti-Quiz # 2
Consider a population where 30% of people suer from a ertain disease. There is an imperfet diagnosti
test for deteting this disease with the following properties:
When applied to a person who has the disease, the test gi
CS/SE 3341
SOLUTIONS
Anti-Quiz # 1
A hokey team plays a series of ve games. Sports analysts predit that independently of eah other,
the team
wins the 1st game with probability 0.6,
wins the 2nd game with probability 0.5,
wins the 3rd game with probability
CS/SE 3341
SOLUTIONS
Anti-Quiz # 4
Meteorites strike the earth at the rate of 2 every deade. Find the probability of more than 2 strikes
in 5 years. Assume a suitable probability distribution for the number of meteorite strikes.
Solution.
This problem is