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Mean of the following probability distri...

Mean of the following probability distribution is …………

A

`(7)/(8)`

B

`(19)/(8)`

C

1

D

`(51)/(8)`

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The correct Answer is:
B
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
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  2. The probability distribution of a random variable X is given below : ...

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  3. Mean of the following probability distribution is …………

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  4. A fair dice is rolled 6 times. If "getting an even number" is a succes...

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  5. A fair dice is rolled 6 times. If "getting a prime number" is a "succe...

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  6. A bag consists of 10 balls each marked with one e digits 0 to 9. If fo...

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  7. Mean of the binomial distribution is 100 then it standard deviation li...

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  8. In a box there are 100 electric bulbs out of which 10 are defective. 5...

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  9. Mean and variance of one binomial distribution are (4)/(3) and (20)/(2...

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  10. Probability distribution of a discrete random variable X is given in t...

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  11. Mean and variance of binomial distribution are 3 and 2 respectively th...

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  12. The probability function of the binomial distribution is P(x)= ((6), (...

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  13. Let X be the random variable with following probability distribution. ...

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  14. The mean and standard deviation of a random variable X are given by E(...

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  15. Let X be a random variable with probability distribution. then E...

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  16. Two balanced dice are tossed 500 times. If sum of integers obtained o...

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  17. A probability distribution of random variable X is as follows. b...

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  18. A man takes a step forward with probability 0.4 and backwards with pro...

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  19. omega is the cube root of 1 and omega ne 1. Now r(1), r(2) and r(3) ar...

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  20. One number is selected from the set S={1,2,3, …., 50} A={n in S/...

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