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Density
Normal
T
2
F
Binomial
294
Normal probability density function. Computes the
probability density at value x, given the mean, and
standard deviation, of a normal distribution. If only one
argument is supplied, it is taken as x, and the assumption is
that =0 and =1.
NORMALD([
,
Example:
NORMALD(0.5)
0.352065326764.
Student's t probability density function. Computes the
probability density of the Student's t-distribution at x, given n
degrees of freedom.
STUDENT(n,x)
Example:
student(3,5.2)
2
probability density function. Computes the probability
2
density of the
distribution at x, given n degrees of freedom.
CHISQUARE(n,x)
Example:
CHISQUARE(2,3.2)
Fisher (or Fisher–Snedecor) probability density function.
Computes the probability density at the value x, given
numerator n and denominator d degrees of freedom.
FISHER(n,d,x)
Example:
FISHER(5,5,2)
Binomial probability density function. Computes the
probability of k successes out of n trials, each with a
probability of success of p. Returns Comb(n,k) if there is no
third argument. Note that n and k are integers with
BINOMIAL(n,k,p)
Example: Suppose you want to know the probability that just
6 heads would appear during 20 tosses of a fair coin.
BINOMIAL(20,6,0.5)
,]x)
and
NORMALD(0,1,0.5)
returns
0.00366574413491.
returns
0.100948258997.
returns
0.158080231095.
returns
0.03696441652002.
both return
.
k n
Functions and commands
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