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2-22 Math, Angle, and Test Operations
8302MATH.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:12 PM Printed: 02/19/01 2:27
PM Page 22 of 26
randInt( (random integer) generates and displays a random
integer within a range specified by
lower
and
upper
integer
bounds. To generate a list of random numbers, specify an
integer >1 for
numtrials
(number of trials); if not
specified, the default is 1.
randInt(
lower
,
upper
[
,
numtrials
]
)
randNorm( (random Normal) generates and displays a
random real number from a specified Normal distribution.
Each generated value could be any real number, but most
will be within the interval [
mN
3(
s
),
m
+3(
s
)]. To generate a
list of random numbers, specify an integer > 1 for
numtrials
(number of trials); if not specified, the default
is 1.
randNorm(
m
,
s
[,
numtrials
]
)
randBin( (random Binomial) generates and displays a
random integer from a specified Binomial distribution.
numtrials
(number of trials) must be
‚
1.
prob
(probability
of success) must be
‚
0 and
1. To generate a list of
random numbers, specify an integer > 1 for
numsimulations
(number of simulations); if not specified,
the default is 1.
randBin(
numtrials
,
prob
[
,
numsimulations
]
)
Note:
The seed value stored to
rand
also affects
randInt(
,
randNorm(
, and
randBin(
instructions (page 2
-
20).
randInt(
randNorm(
randBin(