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If X follows binomial distribution with mean 4 and variance 2, find `P(|X -4| leq 2)`.

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RD SHARMA ENGLISH-BINOMIAL DISTRIBUTION -All Questions
  1. To probability is 0.02 that an item produced by a factory is defective...

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  2. If a random variable X follows binomial distribution with mean 3 and v...

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  3. If X follows binomial distribution with mean 4 and variance 2, find P...

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  4. Mean and Variance of a binomial variance are 4 and 4/3 respectively th...

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  5. In a binomial distribution the sum and product of the mean and the ...

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  6. A coin is tossed 5 times. What is the probability of getting at least ...

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  7. A man takes a step forward with probability 0.4 and backward with prob...

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  8. In a hurdle race, a player has to cross 10 hurdles. The probability...

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  9. A die is thrown again and again until three sixes are obtained. Fin...

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  10. A lot of 100 watches is known to have 10 defective watches. If 8 watch...

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  11. For 6 trials of an experiment, let X be a binomial variate which satis...

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  12. Find the probability distribution of the number of heads when three co...

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  13. Find the probability distribution of the number of doublets in four...

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  14. There are 6% defective items in a large bulk of item. Find the prob...

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  15. A coin is tossed 5 times. What is the probability of getting at least ...

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  16. A coin is tossed 5 times. What is the probability that tail appears an...

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  17. A pair of dice is thrown 6 times. If getting a total of 7 is considere...

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  18. A coin is tossed 5 times. What is the probability of getting at least ...

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  19. Find the probability of 4 turning up at least once in two tosses of a ...

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

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