skyrat667Lv1
27 Oct 2021
Problem 128a
Page 214
Section: BRINGING IT TOGETHER: HOMEWORK
Chapter 3: Probability Topics
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27 Oct 2021
Given information
Given that three thousand fifty-nine cases of AIDS had been reported in Santa Clara County, CA, through a certain date. Those cases will be our population. Of those cases, 6.4% obtained the disease through heterosexual contact and 7.4% are female. Out of the females with the disease, 53.3% got the disease from heterosexual contact.
The main objective is to find P(Person is female).
Step-by-step explanation
Step 1.
The total population of the cases is 3059 and out of those cases, 7.4% obtained the disease through females.
So, the probability if the person is female is given by :
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