Heart attack: The following table presents the number of hospitalizations for myocardial infarction (heart attack) for men and women in various age groups.

a. What is the probability that a randomly chosen patient is a woman?

b. What is the probability that a randomly chosen patient is aged 45–
64?

c. What is the probability that a randomly chosen patient is a woman and aged 45–64?

d. What is the probability that a randomly chosen patient is a woman or aged 45–64?

e. What is the probability that a randomly chosen patient is a woman given that the patient is aged 45–64?

f. What is the probability that a randomly chosen patient is aged 45–
64 given that the patient is a woman?

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Age Male Female Total 18-44 26,828 9,265 36,093 45-64 166,340 68,666 235,006 65-84 155,707 124,289 279,996 85 and up 35,524 57,785 93,309 Total 384,399 260,005 644,404