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From a box containing 32 bulbs out of wh...

From a box containing 32 bulbs out of which 8 are defective 4 bulbs are drawn at random successively one after anoter with replacement. Find the probability distribution of the number of defective bulds.

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From a lot of 15 bulbs which include 5 defectives, a sample of 2 bulbs is drawn at random (without replacement). Find the probability distribution of the number of defective bulbs.

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MODERN PUBLICATION-SAMPLE PAPER 2015-EXERCISE
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  9. How many four digits even numbers with distict digits can be formed ou...

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  18. Maximize z=-10x+2y Subject to -x+yge-1 ,x+yle6 ,yle5, x,yge0

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  19. Show that C1^2 + 2C2^2 + 3C3^2 + ... + "^nCn^2 = ((2n-1!))/{(n-1)!}^2

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  20. From a box containing 32 bulbs out of which 8 are defective 4 bulbs ar...

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