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Box B(1) contains 4 white and 6 black ba...

Box `B_(1)` contains 4 white and 6 black balls and box `B_(2)` contains 6 white and 4 black balls. Now one balanced coin is tossed. If two head comes up then 2 balls are drawn from box `B_(1)` other wise 2 white balls are drawn from Box `B_(2)`. Then find probability of an event that selected both balls are of white colour.

A

`(19)/(60)`

B

`(21)/(60)`

C

`(17)/(60)`

D

`(23)/(60)`

Text Solution

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The correct Answer is:
C
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
  1. In bag X there are 2 white and 3 black balls and in bag Y there are 4 ...

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  2. For the post of principal in school three persons A, B and C are candi...

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  3. Box B(1) contains 4 white and 6 black balls and box B(2) contains 6 wh...

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  4. There are 2 white and 3 red balls in box A and 4 white, 5 red balls in...

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  5. There are 16 coins in bag. Out of which 2 coins are defective having b...

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  6. In three boxes numbers of balls are 3 white & 1 black, 2 white and 2 b...

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  7. For given events A and B if P(A) = 0.25 and P(B) = 0.50 probability th...

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  8. The probability of an event that student gets I, II and III grade in e...

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  9. .......... is the probability of an event that there are 53 sundays in...

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  10. A person writes 4 letters and addresses on 4 covers. If these letters ...

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  11. Person A speaks true in 75% and B speaks true in 80% then ....... is t...

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  12. 3 integers are selected from the numbers 1 to 20. Then ........ is the...

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  13. S is sample space if P(A)= (1)/(3)P(B) and S= A cup B Then P(A) = .......

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  14. For events A and B P(bar(A cup B))= (1)/(6), P(barA)= (1)/(4) and P(A ...

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  15. In a vessel there are 5 red and 2 green balls. One ball is selected at...

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  16. One balanced coin is tossed. If two head comes up then two balanced di...

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  17. Probability of independent events is P(A(i))= (1)/(i+1). Where i = 1, ...

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  18. A man is known to speak truth 3 out of 4 times. He throws a die and r...

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  19. A purse contains 4 copper and 3 silver coins while another purse conta...

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  20. In the box there are a white and b black balls. Two persons A and B ta...

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