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Refer to given Exercise. Suppose that an American woman is randomly selected. Are her age and her fertility status independent? Explain.

Exercise
According to Krantz (1992, p. 102), "[In America] women between the ages of 20 and 24 have a 90 percent chance of being fertile while women between 40 and 44 have only a 37 percent chance of bearing children [i.e., being fertile]." Define appropriate events, and write these statements as conditional probabilities, using appropriate notation.

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