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GATE Electronics and Communications (EC) 2018 Solved Paper

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Question : 9

Total: 65

A cab was involved in a hit and run accident at night. You are given the following data about the cabs in the city and the accident.
(i) 85% of cabs in the city are green and the remaining cabs are blue.
(ii) A witness identified the cab involved in the accident as blue.
(iii) It is known that a witness can correctly identify the cab color only 80% of the time.
Which of the following options is closest to the probability that the accident was caused by a blue cab?

12%
15%
41%
80%

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