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A group of 125 teenagers took a driving test. Before the test, some took a particular driver's education class, and the rest did not. The

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A group of 125 teenagers took a driving test. Before the test, some took a particular driver's education class, and the rest did not. The results are reported in the following two-way frequency table. Passed Test Failed Test Did not take the class 28 37 Took the class 27 33 A teenager is chosen at random from the group. Complete the following. Write your answers as decimals. (a) Find the probability that the teenager passed the test. P(passed) = (b) Find the probability that the teenager passed the test, given that she took the class. P(passed | class) =! (c) Is there evidence that a teenager who takes the class is more likely to pass the test than a randomly chosen teenager from the group? O Yes, because the probability found in part (b) is much greater than the probability found in part (a)

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