1.

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?

Answer»

<P>0
`1//2`
`1//4`
None of these

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))`


Discussion

No Comment Found

Related InterviewSolutions