# Difference between revisions of "Documentation/How Tos/Calc: B function"

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== B == | == B == | ||

− | + | Calculates probabilities for a binomial distribution. | |

=== Syntax: === | === Syntax: === |

## Revision as of 04:52, 26 April 2008

## B

Calculates probabilities for a binomial distribution.

### Syntax:

**B(n; p; k; k2)**

- With
independent trials, each with a probability**n**of success,**p**returns the probability that the number of successes will be between**B**and**k**inclusive, or if**k2**is omitted the probability that the number of successes will be exactly**k2**.**k**

### Example:

**B(10; 1/6; 2) **

- returns approximately 0.29 (29%), the probability that the number four will be thrown exactly twice in 10 throws of a die.