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Four tickets marked 00, 01, 10 , 11 resp...

Four tickets marked 00, 01, 10 , 11 respectively are placed in a bag. A ticket is drawn at random five times being replaced each time. The probability that the sum of the numbers on the tickets is 22 is

A

`(2)/(7)`

B

`(25)/(256)`

C

`(231)/(256)`

D

`0`

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The correct Answer is:
B
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AAKASH SERIES-PROBABILITY-Practise Exercise
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  14. If A and B are mutually exclusive such that P(A)=0.4, P(AuuB)=0.7 then...

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  15. If P(A)=(1)/(3)P(B) and P(AuuB)=0.5. When A, B are mutually exclusive ...

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