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The probability that atleast one of the two events A and B occurs is 0.6. If A and B occur simultaneously with probability 0.3, evaluate `P(barA ) + P(barB)`.

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KUMAR PRAKASHAN-PROBABILITY-Solutions of NCERT Exemplar Problems (Short Answer Type Questions)
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  2. For a loaded die, the probabilities of outcomes are given as under : ...

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  5. Two dice are thrown together and the total score is noted. The events ...

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  6. Explain why the experiment of tossing a coin three times is said to ha...

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  10. A discrete random variable X has the probability distribution given as...

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  11. Prove that, P(A)=P(A cap B) +P(A cap barB)

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  12. Prove that P(A cup B) = P(A cap B)+P(A cap barB)+P(barA cap B)

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  13. If X is the number of tails in three tosses of a coin, determine the s...

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  14. In a dice game, a player pays a stake of ₹ 1 for each throw of a die. ...

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  15. Three dice are thrown at the sametime. Find the probability of getting...

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  16. Suppose 10,000 tickets are sold in a lottery each for ₹ 1. First prize...

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  17. A bag contains 4 white and 5 black balls. Another bag contains 9 white...

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  18. Bag-I contains 3 black and 2 white balls, Bag-II contains 2 black and ...

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  19. A box has 5 blue and 4 red balls. One ball is drawn at random and not ...

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  20. Four cards are successively drawn without replacement from a deck of 5...

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