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Five defective bulbs are accidentally ...

Five defective bulbs are accidentally mixed with 20 good ones it is not possible to just look at a bulbs and tell whether or not it is defective find the probability distribution of the number of defective bulbs in a draw of 4 bulbs

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A packer of 10 electronic components is known to include 3 defectives. If 4 components are random chosen and tested, what is the probability of finding among them not more than one defective?

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CHHAYA PUBLICATION-RANDOM VARIABLE AND ITS DISTRIBUTION -Short Answer Type Questions
  1. Define a random varible on the sample space of the random experi...

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  2. Define two random variable X and Y on the sample space of the rando...

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  3. Examine which one of the following represent the probability distri...

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  4. A random experiment consists of three independent tosses of a fair ...

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  5. Four unbiased coins are tossed simultaneously let x be the random vari...

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  6. Let x denote the sum of digits in the random experiement of throw...

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  7. Let x denote the number of tails preceding the first head when a...

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  8. In a box there are 5 watches of which 2 are known to be defective ...

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  9. Five defective bulbs are accidentally mixed with 20 good ones it i...

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  10. From a lot of 25 ariticles containing 5 defective a sample of 4...

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  11. Two cards are drawn simultaneously (or successively without repl...

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  12. A discrete random variable x has the following probability distrub...

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  13. A random variable x has the following probability function (...

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  14. For what value of k will the function f(x) =kx x=1,2,3 ...., n be a ...

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  15. The probability distribution of a random variable x is as follows ...

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  16. Let x denote the number of heads when 10 unbiased coins are toss...

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  17. In a given business venture a man can make a profit of Rs 300 with p...

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