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Quiz 4 (Chapters 10, 11, 12 and 13) Question 8
Quiz 4
8.A national survey indicated that 50% of adults conduct their banking online. It also found that 30% are younger than 50, and that 25% are younger than 50 and conduct their banking online. What is the probability that a person is younger than 50 given that she uses online banking? Has the probability that she is younger than 50 increased or decreased with the additional information?
The probability that a person is younger than 50 given that she uses online banking is _____. (Type an integer or a decimal. Do not round.)
The probability that the person is younger than 50 is _______ so the probability has ______ when given the additional information that the person uses online banking.
(Type an integer or a decimal. Do not round.)
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