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Independent AND Probability Calculator — result sheet
Calculate the probability that two independent events both occur.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: P(A and B)=P(A)×P(B) for independent events.
The independence assumption is stated before multiplying the two probabilities.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Probability of event A — minimum 0; maximum 1
- Probability of event B — minimum 0; maximum 1
Worked example
| Input | Value |
|---|---|
| Probability of event A | 0.5 |
| Probability of event B | 0.4 |
P(A and B)=0.2, or20%.
Assumptions and limits
- Both probabilities are between zero and one and the events are independent.
- The events and trial definitions are clearly specified.
- Dependence, conditional sampling, repeated-trial structure, and causal interpretation are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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