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CFA Level 1
Quantitative Methods

Conditional Probability of Car Ownership Given Garage

Very Easy Probability Concepts Conditional Probability

In a certain city, 60% of the residents own a car. Among car owners, 80% have a garage. If a resident is selected at random, what is the probability that they own a car given that they have a garage?

To solve this problem, you may apply the formula for conditional probability:

$$P(A|B) = \frac{P(A \cap B)}{P(B)}$$

Where:

  • $A$ = Event that a resident owns a car.
  • $B$ = Event that a resident has a garage.

Hint

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