Conditional Probabilityhard
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A student takes a multiple choice test with 4 choices per question. They know the answer to 70% of questions and guess on 30%. When guessing, they have a 25% chance of guessing correctly. Given the student answered a question correctly, what is the probability they actually knew the answer?
A student takes a multiple choice test with 4 choices per question. They know the answer to 70% of questions and guess on 30%. When guessing, they have a 25% chance of guessing correctly. Given the student answered a question correctly, what is the probability they actually knew the answer?