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If the mean of a binomial distribution i...

If the mean of a binomial distribution is 20 and its standard deviation is 4, find `p` .

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RD SHARMA ENGLISH-BINOMIAL DISTRIBUTION -All Questions
  1. A binomial distribution has mean 5 and variance 4. Find the number of ...

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  2. In a group of 200 items, if the probability of getting a defective ite...

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  3. If the mean of a binomial distribution is 20 and its standard deviatio...

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  4. The mean of a binomial distribution is 10 and its standard deviation i...

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  5. The mean and variance of a random variable X having a binomial distrib...

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  6. If the mean and variance of a binomial variable X are 2 and 1 respecti...

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  7. If in a binomial distribution n=4 \ and \ P(X = 0) = (16)/(81), find q...

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  8. Find the binomial distribution for which the mean is 4 and variance 3.

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  9. If for a binomial distribution P(X=1)=P(X=2)=alpha, \ write \ P(X=4) i...

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  10. A fair coin is tossed four times. Let X denote the number of heads ...

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  11. If X follows Binomial distribution with parameters n=5, p and P(X=2)=9...

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  12. In a box containing 100 bulbs, 10 are defective. The probability th...

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  13. If in a binomial distribution n=4\ a n d\ p9X=00=(16)/(81),\ fin d\ qd...

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  14. A rifleman is firing at a distance target and hence has only 10% ch...

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  15. A fair coin is tossed a fixed number of times. If the probability of g...

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  16. A fair coin is tossed 100 times . The probability of getting head an o...

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  17. A fair die is thrown 20 times. The probability that on the 10th thr...

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  18. Suppose a random variable X follows the binomial distribution with par...

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  19. A fair coin is tosed n times. Let X denote the number of times head oc...

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  20. One hundred identical coins, each with probability 'p' of showing head...

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