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Given below. Is the distribution of a ra...

Given below. Is the distribution of a random variable X
`{:(X =x,1,2,3,4),("p(X=x)",lambda,2 lambda,3 lambda,4 lambda):}`
If `alpha = P (X lt 3) and beta = P (X gt 2) , "then" alpha : beta= `

A

`2 : 5`

B

`3 : 4`

C

`4 : 5`

D

`3 : 7`

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The correct Answer is:
D
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