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A fair coin is tossed repeatedly. If tai...

A fair coin is tossed repeatedly. If tail appears on first four tosses, them the probability of head appearing that 2 white and 1 black balls will be drawn, is

A

`(1)/(2)`

B

`(1)/(32)`

C

`(31)/(32)`

D

`(1)/(5)`

Text Solution

Verified by Experts

The correct Answer is:
A
Appearance of head on fifth toss does not depend on the outcomes of first four tosses. Hence P (head on 5th toss)`=(1)/(2)`
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