SOLUTION: the probability that a teacher will give surprise test during any class meeting is 1/5 . if a student is absent on two days ,what is the probability that he will miss one test?

Question 736532: the probability that a teacher will give surprise test during any class meeting is 1/5 . if a student is absent on two days ,what is the probability that he will miss one test?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
the probability that a teacher will give surprise test during any class meeting is 1/5 . if a student is absent on two days ,what is the probability that he will miss one test?
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P(test both days) = (1/5)^2 = 1/25
P(no test either day) = (4/5)^2 = 16/25
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P(test one day) = 1 - (17/25) = 8/25
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Cheers,
Stan H.
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