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In a group of 200 items, if the probabil...

In a group of 200 items, if the probability of getting a defective item is 0.2, write the mean of the distribution.

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Verified by Experts

It is given that the binomial distribution's `p=0.2 `
and number of items` (n)=200`
Hence, mean, i. e.` n p=200(0.2)=40`
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RD SHARMA-BINOMIAL DISTRIBUTION -Solved Examples And Exercises
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  2. If in a binomial distribution mean is 5 and variance is 4, write the ...

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

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

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

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

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

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

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

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

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

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  12. If X follows binomial distribution with parameters n=5,\ p\ a n d\ P(X...

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

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  14. If in a binomial distribution n=4,\ P(X=0)=(16)/(81),\ t h e n\ P(X=4)...

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

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

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  17. A fair coin is tossed 100 times. The probability of getting tails an o...

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

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

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  20. Let X denote the number of times heads occur in n tosses of a fair coi...

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