The following table shows number of males and number of females of a small locality in different age groups.

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asked Jun 15 in Class VII Maths by aditya23 (-1,520 points)

The following table shows number of males and number of females of a small locality in different age groups.

If one of the persons, from this locality, is picked at random, what is the probability that
(a) the person picked is a male ?
(b) the person picked is a female ?
(c) the person picked is a female aged 21-50 ?
(d) the person is a male with age up to 50 years?

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1 Answer

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answered Jun 15 by muskan15 (-2,549 points)

∵   Total number of persons = Number of males + Number of females

= 26 + 20 = 46

(a) An event when the person picked is male = 8 + 12 + 6 = 26

∴ Required probability = 26/46 = 13/23

(b) An event when the persons picked is female = 6 + 10 + 4

∴ Required probability = 20/46 = 10/23

(c) An event when the persons picked is a female aged 21 – 50 = 10

∴ Required probability = 10/46 = 5/23

(d) An event when the persons picked is a male aged up to 50 years = 20

∴ Required probability = 20/46 = 10/23

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