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In a hostel, 60% of the students read Hi...

In a hostel, 60% of the students read Hindi newspaper, 40% read English newspaper and 20% read both Hindi and English newspapers. A student is selected at random.
(a) Find the probability that she reads neither Hindi nor English newspapers.
(b) If she reads Hindi newspaper, find the probability that she reads English newspaper
(c) If she reads English newspaper, find the probability that she reads Hindi newspaper.

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The correct Answer is:
(a) `(1)/(5)`, (b) `(1)/(3)`, (c) `(1)/(2)`
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NCERT GUJARATI-PROBABILITY-EXERCISE 3.2
  1. If P(A) =(3)/(5) and P (B)=(1)/(5) find P(A cap B) if A and B are inde...

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  2. Two cards are drawn at random and without replacement from a pack of 5...

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  3. A box of oranges is inspected by examining three randomly selected ora...

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  4. A fair coin and an unbiased die are tossed. Let A be the event head ap...

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  5. A dice marked 1, 2, 3 in red colour and 4, 5, 6 in green colour is tos...

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  6. Let E and F be events with P(E)=(3)/(5), P(F)=(3)/(10) and P (E cap ...

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  7. Given that the events A and B are such that P(A) = (1)/(2), P(A cup B...

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  8. Let A and B be independent events with P(A) = 0.3 and P(B) = 0.4. Find...

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  9. If A and B are two events such that P(A) =(1)/(4), P(B) = (1)/(2) an...

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  10. Events A and B are such that P(A) =(1)/(2), P(B) =(7)/(12) and "P(not ...

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  11. Given two independent events A and B such that P(A) = 0.3, Find (i...

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  12. A die is tossed thrice. Find the probability of getting an odd number ...

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  13. Two balls are drawn at random with replacement from a box containing 1...

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  14. Probability of solving specific problem independently by A and B are (...

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  15. One card is drawn at random from a well shuffled deck of 52 cards. In ...

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  16. In a hostel, 60% of the students read Hindi newspaper, 40% read Englis...

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  17. Choose the correct answer The probability of obtaining an even prime...

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  18. Choose the correct answer Two events A and B will be independent, if

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