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Number of X is randomly selected from the set of odd numbers and Y is randomly selected from the set of even numbers of the set {1,2,3,4,5,6,7}. Let Z = X + Y, then What is P(Z is the product of two prime numbers) equal to? |
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Answer» Solution :Z=product of two PRIME number `Z=x+y=7+6=13` `n(E_(4))=3` `P(Z=9)=(n(E_(4)))/(P(B'))=(P(A)-P(AB))/(1-P(B))` |
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