A class consists of 80 students, 25 of them are girls 55boys 10of them are rich and remaining poor 20 of them are fair complexioned. The probability of selecting a fair complexioned rich girl is

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Solution

They are all indipendant events.Occuring of one event has no deal with occuring of another event.But they may coincide.This is such a case.
If two events A and B are independent; the probability of A and B occurring simultaneously equals the probability of A times the probability of B.

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A class consists of 80 students, 25 of them are girls 55boys 10of them are rich and remaining poor 20 of them are fair complexioned. The probability of selecting a fair complexioned rich girl is

They are all indipendant events.Occuring of one event has no deal with occuring of another event.But they may coincide.This is such a case. If two events A and B are independent; the probability of A and B occurring simultaneously equals the probability of A times the probability of B.

They are all indipendant events.Occuring of one event has no deal with occuring of another event.But they may coincide.This is such a case.
If two events A and B are independent; the probability of A and B occurring simultaneously equals the probability of A times the probability of B.