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A discrete random variable X has the fol...

A discrete random variable X has the following probability distribution:

Determine
value of k.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. The probability distribution of a random variable X is given as under:...

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  2. The probability distribution of a random variable X is given as under:...

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  3. A discrete random variable X has the following probability distributio...

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  4. A discrete random variable X has the following probability distributio...

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  5. A discrete random variable X has the following probability distributio...

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  6. A discrete random variable X has the following probability distributio...

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  7. A discrete random variable X has the following probability distributio...

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  8. Three numbers are selected at random (without replacement) from first ...

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  9. Three numbers are selected at random (without replacement) from first ...

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  10. A dice is thrown 120 times and getting '1' or '5' is considered a succ...

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  11. Find the mean and the variance of random variable X which is the numbe...

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  12. Find the mean and variance of the number of heads on the throw of thre...

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  13. An unbiased coin is tossed 4 times. Find the mean and variance of the ...

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  14. An unbiased coin is tossed 4 times. Find the mean and variance of the ...

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  15. Ten coins are thrown simultaneously. Find the probability of getting a...

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  16. A dice is rolled thrice. If getting a four is considered a success, fi...

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  17. Two cards are drawn with replacement from a well shuffled deck of 52 c...

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  18. An urn contains 4 white and 3 red balls. Find the probability distribu...

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  19. A coin is tossed 5 times. What is the probability that head appears an...

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  20. A coin is tossed 5 times. What is the probability that head appears on...

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