binoinv - Binomial inverse cumulative distribution function
Syntax
X = binoinv(Y,N,P)
Description
X = binoinv(Y,N,P) returns
the smallest integer X such that
the binomial cdf evaluated at X is equal to or
exceeds Y. You can think of Y as
the probability of observing X successes in N independent
trials where P is the probability of success in
each trial. Each X is a positive integer less than
or equal to N.
Y, N, and P can
be vectors, matrices, or multidimensional arrays that all have the
same size. A scalar input is expanded to a constant array with the
same dimensions as the other inputs. The parameters in N must
be positive integers, and the values in both P and Y
must lie on the interval [0 1].
Examples
If a baseball team has a 50-50 chance of winning any game, what
is a reasonable range of games this team might win over a season of
162 games?
binoinv([0.05 0.95],162,0.5)
ans =
71 91This result means that in 90% of baseball seasons, a .500 team
should win between 71 and 91 games.
See Also
binocdf | binofit | binopdf | binornd | binostat | icdf
How To
 | binofit | | binopdf |  |
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