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Suppose that 6% of the people with blood...

Suppose that 6% of the people with blood group O are left handed and 10% of those with other blood groups are left handed 30% of the people have blood group O. If a left handed person is selected at random, what is the probability that he/she will have blood group O ?

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The correct Answer is:
`(9)/(44)`
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KUMAR PRAKASHAN-PROBABILITY-Solutions of NCERT Exemplar Problems (Short Answer Type Questions)
  1. If a die is thrown 5 times. Then find the probability that an odd numb...

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  2. Ten coins are tossed. Then what is the probability of getting atleast ...

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  3. The probability of a man hitting a target is 0.25. He shoots 7 times, ...

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  4. A lot of 100 watches is known to have 10 defective watches. If 8 watch...

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  5. Consider the probability distribution of a random variable X: Cal...

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  6. The probability distribution of a random variable X is given below: ...

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  7. For the following probability distribution determine standard deviatio...

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  8. A biased die is such that P(4) = (1)/(10) and other scores being equal...

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  9. A dice is thrown three times. Let X be 'the number of two seen'. Find ...

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  10. Two biased dice are thrown together. For the first dice P(6) = (1)/(2)...

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  11. Two probability distributions of the discrete random variables X and Y...

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  12. A factory produces bulbs. The probability that any one bulb is defecti...

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  13. Suppose you have two coins which appear identical in your pocket. You ...

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  14. Suppose that 6% of the people with blood group O are left handed and 1...

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  15. Two natural numbers r, s are drawn one at a time, without replacement ...

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  16. Find the probability distribution of the maximum of the two scores obt...

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  17. The random variable X can take only the values 0, 1, 2. Given that P(X...

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  18. Find the variance of the distribution:

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  19. A and B throw a pair of dice alternately. A wins the game if he gets a...

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  20. Two dice are tossed. Find whether the following two events A and B are...

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