Probability confusion!

May 1st, 2015
RockCafe
Category:
Algebra
Price: $5 USD

Question description

The table gives the numbers of new AIDS cases in a certain year for people over age 13 in various categories. Use the table to find the probability a person who contracted AIDS that year belonged to the following categories. (Round your answers to three decimal places.)

Total Heterosexual Injected Drug User
Male 26,360 4001 3750
Female 9582 7100 2258

(a) female


(b) female or an injected drug user


(c) male or heterosexual

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