A joint sample space for two random variable X and Y has four elements (1,1), (2,2), (3,3) and (4,4). Probabilities of these elements are 0.1, 0.35, 0.05 and 0.5 respectively. What is the probability of the event{X 2.5, Y 6} is?

A joint sample space for two random variable X and Y has four elements

1.	A joint sample space for two random variable X and Y has four elements (1,1), (2,2), (3,3) and (4,4). Probabilities of these elements are 0.1, 0.35, 0.05 and 0.5 respectively. What is the probability of the event{X 2.5, Y 6} is?
A.	0.45
B.	0.50
C.	0.55
D.	0.60
Answer» B. 0.50

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A joint sample space for two random variable X and Y has four elements (1,1), (2,2), (3,3) and (4,4). Probabilities of these elements are 0.1, 0.35, 0.05 and 0.5 respectively. What is the probability of the event{X 2.5, Y 6} is?

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