Practice_Problems_Midterm1

It is true if and only if a and b are independent it

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Unformatted text preview: Pr(A wins | Neither A or B score ) x Pr(Neither A or B score). = 1/2 x pq + 1 x p(1 ­q) + 0 x (1 ­p)q + 0 x (1 ­p)(1 ­q) = 79/160. Similarly Pr(B wins) = 1/2 x pq + 0 x p(1 ­q) + 1 x (1 ­p)q + 0 x (1 ­p)(1 ­q) = 161/480 Answer = 79/160/ (79/160+161/480) = 0.5954 Problem 4. a) Since apples are identical. The stars and sticks method can be employed. Answer = (15+7 ­1 choose 15) = 21 choose 15. b) Since an apple is consumed each day, first distr...
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This note was uploaded on 02/03/2014 for the course EECS 140 taught by Professor Staff during the Spring '08 term at UC Irvine.

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