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Given X~ B (n,P) If n= 10 and p=0.4...

Given X~ B (n,P)
If n= 10 and p=0.4 , find E(X) and Var (X) .

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The correct Answer is:
V = 2.4
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-Part II PROBABILITY DISTRIBUTIONS (Solve the following)
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  2. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bu...

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  6. A pair of dice is thrown 3 times. If getting a doublet is considered a...

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  8. If X has Poisson distribution with m=1, then find P(X le 1) given e^(-...

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  10. A random variable X has the following probability distribution: ...

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  11. The p. d. f. of a continuous r. v. Xis f(x) = {:((3x^2)/8 , 0 lt x l...

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  15. The number of complaints which a bank manager receives per day follows...

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  16. Defects on plywood sheet occur at random with the average of one defec...

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