Mean and variance for the binomial distribution.

Syntax

[M,V] = binostat(N,P)

Description

• The mean is np.
• The variance is npq.

Examples

n = logspace(1,5,5)

n =

          10         100        1000       10000      100000

[m,v] = binostat(n,1./n)

m =

     1     1     1     1     1

v =

    0.9000    0.9900    0.9990    0.9999    1.0000

[m,v] = binostat(n,1/2)

m =

           5          50         500        5000       50000

v =

   1.0e+04 *

    0.0003    0.0025    0.0250    0.2500    2.5000