Mathematics, 28.01.2020 03:31, fr996060
Surveys indicate that 5% of the students who took the sats had enrolled in an sat prep course. 30% of the sat prep students were admitted to their first choice college, as were 20% of the other students. you overhear a high school student say he got into the college he wanted. what is the probability he didn't take an sat prep course?
Answers: 3
![P[\text{not SAT} |P(F)]=\dfrac{P(\text{not SAT})\cap P(F) }{P(F)}](/tpl/images/0474/8264/ddb1a.png)
![P[\text{not SAT} |P(F)]=\dfrac{0.95\times0.20 }{0.05\times0.30+0.95\times0.20}](/tpl/images/0474/8264/543be.png)
![P[\text{not SAT} |P(F)]\approx0.927](/tpl/images/0474/8264/63190.png)
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Surveys indicate that 5% of the students who took the sats had enrolled in an sat prep course. 30% o...
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