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OpenStudy (vera_ewing):
Probability Question
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OpenStudy (vera_ewing):
The probability that a student takes an English class and a math class is 0.084. The probability that a student takes an English class is 0.49. What is the probability that a student takes a math class, given that the student is taking an English class? A. 0.084 B. 0.406 C. 0.49 D. 0.171
OpenStudy (rainbow_rocks03):
HELP ME PLZ!
OpenStudy (sweetburger):
http://www.stat.yale.edu/Courses/1997-98/101/condprob.htm the equation at the top of the page seems to fit this problem
OpenStudy (sweetburger):
so it would be .084/.49=.171
OpenStudy (vera_ewing):
Thank you. That's what I got after doing it a second time.
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OpenStudy (sweetburger):
Nice :)
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