Conditional Probability

Question

The conditional probability P(A|B) is defined as

RankGuru · Accepted Answer

1. **Definition**: Conditional probability is the probability of an event $A$ occurring, given that another event $B$ has already occurred.
2. **Standard Formula**: $P(A|B) = \frac{P(A \cap B)}{P(B)}$.
3. **Constraint**: This formula is valid only if $P(B) > 0$. If $P(B) = 0$, $P(A|B)$ is undefined.

Rank Guru

Conditional Probability

Select the correct option:

Solution

🔒 Solution Hidden from View

About This Question