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A baby is born. It is a boy or a girl....

A baby is born. It is a boy or a girl.

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KUMAR PRAKASHAN-PROBABILITY -EXERCISE 15.1
  1. Which of the following experiments have equally likely outcomes? Expla...

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  2. A trial is made to answer a true-false question. The answer is right o...

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  3. A baby is born. It is a boy or a girl.

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  4. Why is tossing a coin considered to be a fair way of deciding which ...

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  5. Which of the following cannot be the probability of an event?

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  6. If P(E)=0. 05 P(E) = 0.05, what is the probability of not E?

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  7. A bag contains lemon flavoured candies only. Malini takes out one c...

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  8. It is given that in a group of 3 students, the probability of 2 stu...

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  9. A bag contains 3 red balls and 5 black balls. A ball is drawn at ra...

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  10. A box contains 5 red marbles, 8 white marbles and 4 green marbles. One...

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  11. A piggy bank contains hundred 50p coins, fifty Rs. 1 coins, twenty ? ...

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  12. Gopi buys a fish from a shop for his aquarium. The shopkeeper takes o...

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  13. A game of chance consists of spinning an arrow which comes to rest ...

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  14. A die is thrown once. Find the probability of getting (i) a prime numb...

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  15. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  16. Five cardsthe ten, jack, queen, king and ace of diamonds, are well ...

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  17. 12 defective pens are accidentally mixed with 132 good ones. It is ...

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  18. (i) A lot of 20 bulbs contain 4 defective ones. One bulb is drawn a...

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  19. A box contains 90 discs which are numbered from 1 to 90. If one disc ...

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  20. A child has a die whose six faces show the letters as given below: ...

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