Mathematics Part-II

Book: Mathematics Part-II

Chapter: 13. Probability

Subject: Maths - Class 12th

Q. No. 3 of Miscellaneous Exercise

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3

Suppose that 5% of men and 0.25% of women have grey hair. A grey haired person is selected at random. What is the probability of this person being male?

Assume that there are equal number of males and females.

It is given in the question that,

5% of men and 0.25% of women have grey hair


Total % of people having grey hair = 5 + 0.25


= 5.25 %


Hence, Probability of having a selected person male having grey hair,



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