A sample is selected from one of two populations, 1 S and 2 S , with P(S1 )=.7 and P(S2 )=.3 . The probabilities that an event A occurs, given that event S1 or S2 has occurred are

1. Use the Law of Total Probability to find P(A).

Transcribed Image Text:

P(A|S,)=2 and P(A|S)=.3