Question

Of all Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays. It is found that 10% of the members in that city prefer swimming on weekends and are female, while 55% of the members in that city prefer swimming on weekdays and are female.

The probablity that a club member picked randomly is female, given that the person prefers swimming on weekends is ?

Answer 1

0.4

Explanation:

0.10/0.25 =0.4

Weekend swimmers = 25%

Female Swimmers that prefer the weekend = 10%

Answer 2

Given:
Sunny Club Members
Weekends = 25% Out of the 25%, 10% are females
Weekdays = 75% Out of the 75%, 55% are females

The probability that the person randomly picked swimming on weekends is female is:

25% * 10% = 2.5%