Binomial Probability Distribution Calculator

Calculate Binomial Probability Distribution









Formula

The formula to calculate the Binomial Probability (PBinomial) is:

\[ P_{\text{Binomial}} = C(n_{\text{Total Trials}}, r) \cdot p_{\text{BD}}^r \cdot q^{(n_{\text{Total Trials}} - r)} \]

Where:

Definition

Binomial Probability is the fraction of the number of times of successful completion of a particular event in multiple rounds of a random experiment which follows binomial distribution.

Total Number of Trials is the total number of repetitions of a particular random experiment, under similar circumstances.

Number of Successful Trials is the required number of successes of a particular event in multiple rounds of a random experiment that follows a binomial distribution.

Probability of Success in Binomial Distribution is the likelihood of winning an event.

Probability of Failure is the likelihood of losing an event.

How to calculate the Binomial Probability

Let's assume the following values:

Using the formula:

\[ P_{\text{Binomial}} = C(n_{\text{Total Trials}}, r) \cdot p_{\text{BD}}^r \cdot q^{(n_{\text{Total Trials}} - r)} \]

Evaluating:

\[ P_{\text{Binomial}} = C(20, 4) \cdot 0.6^4 \cdot 0.4^{(20 - 4)} \]

The Binomial Probability is 0.000269686150476595.

Binomial Probability Conversion Chart


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Total Number of Trials Number of Successful Trials Probability of Success in Binomial Distribution Probability of Failure Binomial Probability