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A.p.d.f of a discrete random variable is...

A.p.d.f of a discrete random variable is zero except at the points x = 0, 1, 2. At these points it has the value `P(0)=3c^(3),P(1)=4c-10c^(2),P(2)=5c-1` for some `c gt 0`. Find the value of c.

A

2

B

`1//3`

C

`2//3`

D

`1//9`

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-THEORETICAL DISTRIBUTIONS-EXERCISE 1 (CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVE 1,2,3 OR 4 GIVEN )
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