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If the probability of a defective bolt i...

If the probability of a defective bolt is 0.1, find the i. mean and ii. standard deviation for the distribution of bolts in a total of 400 bolts.

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To solve the problem of finding the mean and standard deviation for the distribution of defective bolts, we can follow these steps: ### Step 1: Identify the parameters of the binomial distribution We are given: - The probability of a defective bolt (success), \( p = 0.1 \) - The total number of bolts (trials), \( n = 400 \) ### Step 2: Calculate the mean of the binomial distribution ...
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RD SHARMA-BINOMIAL DISTRIBUTION -Solved Examples And Exercises
  1. Determine the binomial distribution whose mean is 20 and variance 16.

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  2. The mean of a binomial distribution is 20, and the standard deviation ...

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  3. If the probability of a defective bolt is 0.1, find the i. mean and ii...

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  4. If on an average 9 ships out of 10 arrive safely to ports, find the me...

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  5. In eight throws of a die 5 or 6 is considered a success, find the mean...

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  6. Find the expected number of boys in a family with 8 children, assuming...

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  7. A die is thrown thrice. A success is 1 or 6 in a throw. Find the mean ...

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  8. If pair of dice is thrown 4 times. If getting a doublet is considered ...

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  9. From a lot of 15 bulbs which include 5 defective, a sample of 4 bulbs ...

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  10. Three cards are drawn successively with replacement from a well shu...

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  11. In a binomial distribution, if n=20 ,\ q=0. 75 ,then write its mean.

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  12. If in a binomial distribution mean is 5 and variance is 4, write the ...

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

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

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

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

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

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

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

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

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