SampHe Exaxmixnati*rs Six - La Jolla High School
SampHe Exaxmixnati*rs Six - La Jolla High School
SampHe Exaxmixnati*rs Six - La Jolla High School
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Section I Sample Exarninatiom <strong>Six</strong><br />
3. T'he probability that a child will have a problem with alcohoi is 0.75 if-at least one of<br />
tl-re parents is an alcoholic and 0.05 if neither parent is an aicoholic. in a recent study<br />
of a large number of children , SYo of the children involved had at least one parent who<br />
is an alcoholic. If a chiid in ilris study has an alcohol-related problem, what is the<br />
probability that at least one of the parents of the child is an alcohoiic?<br />
(A) 0.0375<br />
(B) 0.047s<br />
(.c) 0.4412<br />
(D) 0.78es<br />
(E) 0.8000<br />
4. The November 2000 Presidential election had George W. Bush and Albert Gore as the<br />
2 major candidates. Suppose thatZl3 of the people in the city supported Bush but 5/9<br />
of the people in the suburbs supported Gore. 60% of the people live in the city while<br />
40Yo of the people live in the suburbs. If you select a random Bush supporter, what is<br />
the probability that the person lives in the city?<br />
(A) 1e.8%<br />
(B) 30.8%<br />
(c) 34.6%<br />
(D) 66.7%<br />
(D 69.2%<br />
r3r<br />
Answer<br />
Answer<br />
any part ot this page is illegal
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