# Choose the correct option from the given alternative: If the a d.r.v. X has the following probability distribution : x -2 -1 0 1 2 3 p(X=x) 0.1 k 0.2 2k 0.3 k then P (X = −1) = - Mathematics and Statistics

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Choose the correct option from the given alternative:

If the a d.r.v. X has the following probability distribution :

 x -2 -1 0 1 2 3 p(X=x) 0.1 k 0.2 2k 0.3 k

then P (X = −1) =

#### Options

•  1/10

• 2/10

• 3/ 10

• 4 /10

#### Solution

If the a d.r.v. X has the following probability distribution :

 x -2 -1 0 1 2 3 p(X=x) 0.1 k 0.2 2k 0.3 k

then P (X = −1) = 1/10

Concept: Probability Distribution of Discrete Random Variables
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