What is the probability that winona studied for it

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Reference no: EM131352047

Testing Winona's chances of passing a precalculus exam are 4/5 if she studies, and only 1/5 if she decides to take it easy. She knows that 2/3 of her class studied for and passed the exam. What is the probability that Winona studied for it?

Reference no: EM131352047

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