Asked by uma
A class consists of 50 students, 20 of them are girls and boys, 10 them are rich and remaining poor, 5 of them are fair complxioned, 3 are intelligent. What is the probability of selecting a fair complexioned rich intelligient girl?
Answers
Answered by
PsyDAG
Proofread your questions before you post them.
"20 of them are girls and boys"?
I will asume 20 are girls and 30 are boys.
P(fair) = 5/50
p(rich) = 10/50
p(IQ) = 3/50
P(girl) = 20/50
Probability of all events occurring is found by multiplying the individual probabilities.
"20 of them are girls and boys"?
I will asume 20 are girls and 30 are boys.
P(fair) = 5/50
p(rich) = 10/50
p(IQ) = 3/50
P(girl) = 20/50
Probability of all events occurring is found by multiplying the individual probabilities.
Answered by
ali
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