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Suppose that 5% of Men and 0.25% of Women Have Grey Hair. a 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. - Mathematics

Suppose that 5% of men and 0.25% of women have grey hair. A 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.

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Solution

It is given that 5% of men and 0.25% of women have grey hair.

Therefore, percentage of people with grey hair = (5 + 0.25) % = 5.25%

∴ Probability that the selected haired person is a male =`5/5.25 = 20/21`

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APPEARS IN

NCERT Class 12 Maths
Chapter 13 Probability
Q 3 | Page 582
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