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Unformatted text preview: i'l. A biased coin Chas Pr(C = head) = a, and Pr(C = tail) = 1  a. The coin is flipped n
times, resulting in the sequence (F1, . . . , P“). Let X denote the random variable deﬁned by
X(F1, . . . , F") = the number of heads in the F} minus the number of tails in the P}. What
is the expected value E(X) of X? ? I. the probability that the hand has at least one Heart and at least one Ace 2. A hand of 6 cards is selected at random (without replacement) from an ordinary deck of
is 52. ...
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This note was uploaded on 02/02/2012 for the course CSE 21 taught by Professor Graham during the Fall '07 term at UCSD.
 Fall '07
 Graham

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