# Choose the correct option from the given alternative:If the a d.r.v. X has the following probability distribution :x-2-10123p(X=x)0.1k0.22k0.3kthen P (X = −1) = - Mathematics and Statistics

MCQ
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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) =

• 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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#### APPEARS IN

Balbharati Mathematics and Statistics 2 (Arts and Science) 12th Standard HSC Maharashtra State Board
Chapter 7 Probability Distributions
Miscellaneous Exercise 1 | Q 8 | Page 242