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If 30% of students in a physics class also take a calculus course & further assume that P(“earn A in physics”|”taking calculus”) = .4, P(“earn A in physics”|”not taking calculus”) = .1 If a student earns an A in physics what is the probability said student is taking calculus?

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    What are you stuck on?2012-09-30
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    @Daryl I'm not sure if I'm plugging them in correctly. You don't have to do math but can you set up problem for me?2012-09-30
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    I think it is ${12\over19}\approx0.631$. Anon did a good job below.2012-10-01

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