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On a Saturday night, 20% of all drivers ...

On a Saturday night, 20% of all drivers in U.S.A. are under the influence of alcohol, The probability that a driver under the influence of alcohol will have an accident is 0.001. The probability that a sober driver will have an accident is 0.0001. If a car on a Saturday night smashed into a tree, the probability that the driver was under the influence of alcohol is a)`3//7`b)`4//7` c)`5//7` d)`6//7`

A

`3//7`

B

`4//7`

C

`5//7`

D

`6//7`

Text Solution

Verified by Experts

The correct Answer is:
C
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