课程: Machine Learning Foundations: Probability

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Introduction to Bayes' theorem

Introduction to Bayes' theorem - Python教程

课程: Machine Learning Foundations: Probability

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Introduction to Bayes' theorem

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- [Instructor] Imagine this scenario in your company. The probability that a person is working longer than five years is 45%, and the probability that a person is using ChatGPT is 15%. Given that 8% of those that use ChatGPT also work longer than five years, what percent of those that work longer than five years also use ChatGPT? Now at first, this may seem to you like play with words, but let's take it step by step. We can recognize two events. Event A, person working more than five years. And event B, person using ChatGPT. Let's see what we know. P of A equals 0.45. P of B equals 0.15. And P of B with A equals 0.08. And we would like to calculate P of A with B. If you recall conditional probability, it is the probability of one event given the occurrence of one or more other events. For example, the probability of event A happening given the occurrence of event B happening, P of A with B. We can write it down as P…

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