97. In a locality, out of 5000 people residing, 1200 are above 30vears of age and 3000 are females. Out of the 1200 who are above 30, 200 arefemales. Suppose, after a person is chosen you are told that the person isfemale. What is the probability that she is above 30 years of age ?

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Answered: 97. In a locality, out of 5000 people…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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97. In a locality, out of 5000 people residing, 1200 are above 30 vears of age and 3000 are females. Out of the 1200 who are above 30, 200 are females. Suppose, after a person is chosen you are told that the person is female. What is the probability that she is above 30 years of age ?