Chapter Introduction 
Module 20.1: nag_normal_dist  Probabilities and Deviate for a Normal Distribution 
nag_normal_prob 
Computes probabilities for various parts of
a univariate Normal distribution 
nag_normal_deviate 
Computes the deviate associated with a
given probability of a standard Normal distribution 
nag_bivar_normal_prob 
Computes the lower tail probability for
a bivariate Normal distribution 
nag_mv_normal_prob 
Computes probabilities for various parts of
a multivariate Normal distribution 
Examples

Module 20.2: nag_t_dist  Probabilities and Deviate for a Student's tdistribution 
nag_t_prob 
Computes probabilities for various parts of a Student's tdistribution with ν degrees of freedom 
nag_t_deviate 
Computes the deviate associated with a given probability of a Student's tdistribution 
Examples

Module 20.3: nag_chisq_dist  Probabilities and Deviate for a χ^{2} Distribution 
nag_chisq_prob 
Computes lower or upper tail probability for
a χ^{2} distribution with ν degrees of freedom 
nag_chisq_deviate 
Computes the deviate associated with a
given lower tail probability of a χ^{2} distribution with ν degrees of freedom 
Examples

Module 20.4: nag_f_dist  Probabilities and Deviate for an Fdistribution 
nag_f_prob 
Computes lower or upper tail probability for an Fdistribution with ν_{1} and ν_{2} degrees of freedom 
nag_f_deviate 
Computes the deviate associated with a given
lower tail probability of an Fdistribution with ν_{1} and ν_{2}
degrees of freedom 
Examples

Module 20.5: nag_beta_dist  Probabilities and Deviate for a
Beta Distribution 
nag_beta_prob 
Computes lower or upper tail probability for
a beta distribution with parameters a and b

nag_beta_deviate 
Computes the deviate associated with a
given lower tail probability of a beta distribution with parameters
a and b 
Examples

Module 20.6: nag_gamma_dist  Probabilities and Deviate for a Gamma Distribution 
nag_gamma_prob 
Computes lower or upper tail probability for
a gamma distribution with shape parameter a and scale parameter
b 
nag_gamma_deviate 
Computes the deviate associated with a
given lower tail probability of a gamma distribution with shape parameter a and scale parameter b 
Examples

Module 20.7: nag_discrete_dist  Probabilities for Discrete Distributions 
nag_binom_prob 
Computes lower tail, upper tail or point probability for a binomial distribution with parameters n and p 
nag_poisson_prob 
Computes lower tail, upper tail or point probability for a Poisson distribution with parameter λ 
nag_hypergeo_prob 
Computes lower tail, upper tail or point probability for a hypergeometric distribution with parameters
n, l and m 
Examples
