Math prb (probability) operations, Math prb menu, Rand – Texas Instruments TI-83 PLUS User Manual

Page 95

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TI-83 Plus

Math, Angle, and Test Operations

92

MATH PRB (Probability) Operations

MATH PRB Menu

To display the

MATH PRB

menu, press



|

.

MATH NUM CPX PRB

1: rand

Random-number generator

2: nPr

Number of permutations

3: nCr

Number of combinations

4: !

Factorial

5: randInt(

Random-integer generator

6: randNorm(

Random # from Normal distribution

7: randBin(

Random # from Binomial distribution

rand

rand

(random number) generates and returns one or more random

numbers > 0 and < 1. To generate a list of random-numbers, specify an
integer > 1 for

numtrials

(number of trials). The default for

numtrials

is 1.

rand

[

(

numtrials

)

]

Tip: To generate random numbers beyond the range of 0 to 1, you can include

rand

in an expression. For example,

rand5

generates a random number > 0 and

< 5.

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