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# M211Q4 - 29 0.2 P A = 29 0.3 P B = and 29 0.1 P A B ∩ =...

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MATH 211, Quiz #4, 15/12/03 Name/Surname: …………………………. Signature: …….. Student No: …………… Group: …….. ANSWER ONLY THREE OF THE FOLLOWING QUESTIONS Question 1-) An urn contains three yellow and two red balls. If two balls are randomly selected without replacement, find the probability that the first drawn ball is red and the second drawn ball is yellow. Question-2) If
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Unformatted text preview: ( 29 0.2 P A = , ( 29 0.3 P B = and ( 29 0.1 P A B ∩ = , find (a) ( 29 c P A (b) ( 29 P A B ∪ Question-3) If events A and B are independent events with ( 29 2 5 P A = and ( 29 1 3 P A B ∩ = and find ( 29 P B . Question-4) Given the following probability distribution of the discrete random variable X , x 1 2 3 ( ) f x 1/2 1/5 3/10 Evaluate (a) ( ) E X (b) 2 ( ) E X (c) ( ) Var X...
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