SOLUTION: A recent study reported that math instructors estimate that 70% of their students do homework regularly and that if a student does the homework regularly, she or he will have 90% c

Question 917157: A recent study reported that math instructors estimate that 70% of their students do homework regularly and that if a student does the homework regularly, she or he will have 90% chance of passing the final exam. What is the probability that a student chosen at random will have done homework regularly and passed the math final exam?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A recent study reported that math instructors estimate that 70% of their students do homework regularly and that if a student does the homework regularly, she or he will have 90% chance of passing the final exam. What is the probability that a student chosen at random will have done homework regularly and passed the math final exam?
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Assuming the events are independent,
P(homework And pass final) = 0.7*0.9 = 0.63
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Cheers,
Stan H.
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