Question 522087
The probability that Anna passes the test is 1/2 
The probablity that Boris passes the test is 4/9 
Calulate the probabilty that both Anna and Boris pass the test. Give the answer in its simplest form?
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The events are independent so you multiply to get:
P(both pass) = (1/2)(4/9) = 2/9
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Cheers,
Stan H.