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Let X be a random variable with probabil...

Let X be a random variable with probability distribution.

then `E(5X-2)=`………. .

A

`(9)/(2)`

B

`(11)/(2)`

C

`(13)/(2)`

D

`(7)/(2)`

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The correct Answer is:
B
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
  1. Let X be the random variable with following probability distribution. ...

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

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

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

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

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

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

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

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  9. In binomial distribution of random variable X if mean = np and varianc...

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  10. In binomial distribution of random variable X if parameter n = 5 and p...

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  11. Random variable X takes integer values from 1 to n with equal probabil...

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  12. 8 coins are tossed togather. Then ………. is the probability of an event ...

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

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

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

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

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  17. 10 % bulbs are defective produced by some factory. 5 bulbs are selecte...

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  18. Match the following Section I to Section II

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

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

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