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A random variable X has the following pr...

A random variable X has the following probability distribution :

then `P(X le 1) = ….......`

A

0.55

B

0.25

C

0.15

D

0.75

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The correct Answer is:
B
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
  1. Random variable X takes integer values from 1 to n with equal probabil...

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  2. 8 coins are tossed togather. Then ………. is the probability of an event ...

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  3. Mean and variance of the binomial distribution is 4 and 3 respectively...

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  4. One ticket is selected from pack of 100 tickets numbered with 00, 01, ...

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  5. Mean and variance of variable X of the binomial distribution are (7)/(...

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  6. X and Y are independent binomial variables. B(5,(1)/(2)) and B(7,(1)/...

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  7. 10 % bulbs are defective produced by some factory. 5 bulbs are selecte...

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  8. Match the following Section I to Section II

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  9. A coin is tossed 19 times random variable X denotes the numbers of hea...

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  10. Mean and variance of random variable X are 2 and 1 respectively. Then ...

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  11. Parameters of binomial distribution of variable X are 2n +1 and p =(1...

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  12. A coin is tossed for some times. Probability to get head 7 times is th...

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  13. The sum and product of mean and variance of one binomial distribution ...

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  14. A dice is tossed 100 times. If even number is obtained on dice is succ...

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  15. If P(E ) = 0.8, P(F) = 0.5 and P(E cap F) = 0.4 then P( E//F)=….........

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

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  17. Choose the correct answer The probability of obtaining an even prime...

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  18. An unbiased coin is tossed 5 times. Suppose that a variable X is assig...

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  19. In a workshop, there are five machines and the probability of any one ...

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  20. If the foot of perpendicular drawn from the point (1, 0, 3) on a line ...

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