From the data in Table 3.3, what is the conditional probability that someone used a laptop in class given that they passed the exam, p(laptop|pass). What is the conditional probability of that someone didn’t use a laptop in class given they passed the exam, p(no laptop |pass)?

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Laptop in class? Exam result Pass Fail Total Yes No 49 Total 222 24 16 40 11 60 73 27 100