It is known that P(A) = 0.3, P(B) = 0.65, P(A and B) = 0.15 and P(A or B) = 0.8. Given that A occurs, what is the probability that B also occurs

Question

It is known that P(A) = 0.3, P(B) = 0.65, P(A and B) = 0.15 and P(A or B) = 0.8. Given that A occurs, what is the probability that B also occurs
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Solution 1

The probability that B occurs given that A occurs is defined as the conditional probability P(B|A). This can be calculated using the formula:

P(B|A) = P(A and B) / P(A)

From the question, we know that P(A and B) = 0.15 and P(A) = 0.3. Substituting these values into the formula gives:

P(B|A) = 0.1 Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob

Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv

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