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An amusement park operates two wooden roller-coasters, A and B. For a randomly selected park visi- tor, let X be the number o

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O P(x>,1,43,1)= P(x= 1,2003, Y=1) +P(x=1,2 063, Y= 2) 2014 +.07+.05+ .09+.087.01:10.44) P(A>B)= P(x> Y)= P(x=1,Y=00) + P(x-2,

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