1.

The probability that a person will travel by plane is 3 / 5 and that he will travel by train is 1 / 4. What is the probability that he (she) will travel by plane or train ?

Answer»

The probability that a person will travel by plane is 3 / 5 and that he will

travel by train is 1 / 4. What is the probability that he (she) will travel by

plane or train ?



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