Hp Prime Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 324)

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101

320 Functions and commands

T Inverse cumulative Student's t distribution function. Returns the

value x such that the Student's-t lower-tail probability of x, with

n degrees of freedom, is p.

STUDENT_ICDF(n,p)

Example:

STUDENT_ICDF(3,0.0246659214814) returns –3.2.

Inverse cumulative distribution function. Returns the value x

such that the lower-tail probability of x, with n degrees of

freedom, is p.

CHISQUARE_ICDF(n,p)

Example:

CHISQUARE_ICDF(2,0.957147873133) returns 6.3.

F Inverse cumulative Fisher distribution function. Returns the

value x such that the Fisher lower-tail probability of x, with

numerator n and denominator d degrees of freedom, is p.

FISHER_ICDF(n,d,p)

Example:

FISHER_ICDF(5,5,0.76748868087) returns 2.

Binomial Inverse cumulative binomial distribution function. Returns the

number of successes, k, out of n trials, each with a probability

of p, such that the probability of k or fewer successes is q.

BINOMIAL_ICDF(n,p,q)

Example:

BINOMIAL_ICDF(20,0.5,0.6) returns 11.

Poisson Inverse cumulative Poisson distribution function. Returns the

value x such that the probability of x or fewer occurrences of

an event, with expected (or mean) occurrences of the event

in the interval, is p.

POISSON_ICDF( ,p)

Example:

POISSON_ICDF(4,0.238103305554) returns 3.

List

These functions work on data in a list. They are explained in

detail in chapter 24, “Lists”, beginning on page 453.

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Hp Prime Graphing Calculator Manuel d'utilisateur Page 324

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