Probability
Conditional Probability Formula - Probability
Learn the conditional probability formula with examples, step-by-step guide, and calculator tools. Calculate probability of A given that B has occurred
The conditional probability formula is a fundamental concept in probability. Calculate probability of A given that B has occurred. This page provides a comprehensive guide with worked examples and practical applications.
The Formula
\[P(A|B) = \frac{P(A \cap B)}{P(B)}\]
Variables
P(A|B)
Probability of A given B
P(A ∩ B)
Probability of both A and B
P(B)
Probability of B
Step-by-Step Guide
- 1
Step 1: Gather your data values
- 2
Step 2: Apply the formula
- 3
Step 3: Perform the calculations
- 4
Step 4: Interpret the result
Examples
Example 1
Example 1: [0.3,0.5] → P(A|B) = 0.3 / 0.5 = 0.6
Example 2
Example 2: 0.6
Frequently Asked Questions
What is the conditional probability formula?
Calculate probability of A given that B has occurred
How do I calculate conditional probability formula?
Use the formula: P(A|B) = \frac{P(A \cap B)}{P(B)}. Follow the steps provided above.
What tools can help with conditional probability formula?
We provide online calculators: statistics-calculator