Home
Class 12
MATHS
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.

Text Solution

Verified by Experts

The correct Answer is:
`:.c=1//3`
Promotional Banner

Topper's Solved these Questions

  • RANDOM VARIABLES AND PROBABILITY DISTRIBUTIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise EXERCISE - 10 (a) II.|3 Videos

  • RANDOM VARIABLES AND PROBABILITY DISTRIBUTIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise EXERCISE - 7 (d)|4 Videos

  • RANDOM VARIABLES AND PROBABILITY DISTRIBUTIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE LAQ - 7 Marks|1 Videos

  • QUESTION PAPER -2019

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise Long Answer Type questions|7 Videos

  • SYSTEM OF CIRCLE

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise EXERXCISE - 2(b)|23 Videos

Similar Questions

Explore conceptually related problems

The range of a random variable X is {0, 1, 2}. Given that P (X = 0) = 3 c ^(3) , P (X =1) = 4 c - 10 c ^(2) , P (X =2) = 5 c - 1. find the value of c

The range of a random variable X is {0, 1, 2}. Given that P(X=0)=3C^(3),P(X=1)=4C-10C^(2),P(X=2)=5C-1 Find the value of C.

The range of a random variable X is {0, 1, 2}. Given that P(X=0)=3c^(3),P(X=1)=4c-10c^(2),P(X=2)=5c-1 where c is constant. Find (i) the value of c (ii) P(X lt 1) (iii) P(1lt X le2) (iv) P(0lt X le3)

The range of a random variable X is {0,1,2} . Given that P(X=0)=3c^(3), P(X=1)=4c-10c^(2),P(X=2)=5c-1 i) Find the value of c ii) P(X lt1),P(1 ltXle2)" and "P(0ltXle3)

A random variable X takes the values 0,1,2, it's mean is 0.6. If P(X=0)=0.5 then P(X=1)=

Let A(1,0), B(-1,0), C(2, 0) then the locus of a point P such that PB^(2)+ PC^(2) = 2PA^(2) is

If p(t) = 3t^3+4t-5 find the values of p(1),p(-1),P(0),p(2),p(-2).