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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-2-10123p(X=x)0.1k0.22k0.3kthen P (X = −1) = - Mathematics and Statistics

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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) =

Options

  • `1/10`

  • `2/10`

  • `3/10`

  • `4/10`

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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
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