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Two balls are drawn at random with repla...

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that
i. both balls are red.
ii. first ball is black and second is red.
iii. one of them black and other is red:

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NEW JOYTHI PUBLICATION-PROBABILITY-SOLUTIONS TO NCERT TEXT BOOK EXERCISE 13.2
  1. If P(A)= (3)/(5) and P(B)= (1)/(5) find P(Ann B). if A and B are in...

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  2. Two cards are drawn successively with replacement from a pack of 52 ca...

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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 a...

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  5. A die marked 1, 2,3 in red and 4, 5, 6 in green is tossed. Let A be th...

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

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  7. Given that the events A and B are such 3 that P(A)= (1)/(2), P(AuuB)= ...

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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) and...

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  10. Events A and B are such that P(A) = (1)/(2), P(B)= (7)/(12) and P ("no...

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  11. Given two independent events A and B such that P(A) = 0.3, P(B) = 0.6....

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  12. A die is tossed thrice. Find the prôbability 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 a...

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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. A pair of dice is rolled. Find the probability of obtaining an even pr...

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  18. Two events A and Bwill be independent, if ………

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