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State which of the following are not pro...

State which of the following are not probability mass function of random variable.Give reasons of your answers.

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The correct Answer is:
P(x) cannot be regarded as p.m.f.of the random variable X.
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-PROBABILITY DISTIBUTIONS
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  13. Find the probability distribution of the number of successes in two to...

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  14. A coin is biased so that the head is 3 times as likely to occur as ...

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  16. Find the probability distribution of number of doublets m three thr...

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  17. Find the mean and variance of the number randomly selected from 1 to 1...

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  18. The p.m.f. of a r.v. X is P(x)={{:((3-x)/(10)","x=-1","0","1","2),(0",...

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