peardog425Lv1
26 Oct 2021
Problem 127c
Page 214
Section: BRINGING IT TOGETHER: HOMEWORK
Chapter 3: Probability Topics
Textbook ExpertVerified Tutor
26 Oct 2021
Given information
Given that use the following information to answer the next two exercises. The following are real data from Santa Clara County, CA. As of a certain time, there had been a total of 3,059 documented cases of AIDS in the county. They were grouped into the following categories:
Suppose a person with AIDS in Santa Clara County is randomly selected.
The main objective is to find P(Person is female OR has a risk factor of IV drug user).
Step-by-step explanation
Step 1.
The formula to find the probability of an event A is defined as .
Here, the events person is female and the risk factor of IV drug user are mutually exclusive events.
So, use the given table, to find P(Person is female OR has a risk factor of IV drug user).
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