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A box contains 300 electric bulbs out of...

A box contains 300 electric bulbs out of which 18 are defective. What is the probability that bulb chosen will not be defective?

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CHETANA PUBLICATION-Probability-EXERCISE
  1. Tickets numbered 1 to 30 are mixed up together and then a ticket is dr...

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  2. Find the probability that a leap year selected at random will have 53 ...

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  3. A box contains 300 electric bulbs out of which 18 are defective. What ...

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  4. Three coins are tossed together.Find the probability of getting exactl...

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  5. A card is drawm at random from a well shuffled pack of 52 cards.Find t...

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  6. If n(A)=2,P(A)=1/5,Then n(S)=?

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  7. One coin and one die are thrown simultaeneously.Write the sample sapce...

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  8. Six faces of a die are printed with letters A, B, C, D, E, A. If the d...

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  9. Basketball players John,Vasim,Akash were practising the ball drop in t...

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  10. Length and Breadth of a rectangular garden are 77m and 50 m.There is a...

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  11. A card is drawm at random from apack of well shuffled 52 playing cards...

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  12. If two coins are tossed,Find the probability of the following events:(...

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  13. There are 15 tickets in a box,each bearing one of the numbers from 1 t...

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  14. In a hockey team there are 6 defenders,4 offenders and 1 goalee.Out of...

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  15. A bag contains 3 red,3 white and 3 green balls.One ball is taken out o...

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  16. If two dice are rolled simultaeneously,find the probability of the fol...

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  17. Two customers Sumit and Amit are visiting a particular shop in the sam...

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  18. Two customers Sumit and Amit are visiting a particular shop in the sam...

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  19. Two customers Sumit and Amit are visiting a particular shop in the sam...

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  20. What is the probability that an ordinary year has 53 sundays?

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