Texas Instruments TI-34 User Manual - Page 39

Probability - factorial

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Press $ to view a and b. This line of best fit, y ' = 0.6773251896x '-18.66637321 models the linear trend of the data. %s %t 3 # < 55 E < The linear model gives an estimated braking distance of 18.59 meters for a vehicle traveling at 55 kph. Probability H This key displays two menus: PRB and RAND. PRB contains the following options: nPr Calculates the number of possible permutations of n items taken r at a time, given n and r. The order of objects is important, as in a race. n and r must be positive integers. nCr Calculates the number of possible combinations of n items taken r at a time, given n and r. The order of objects is not important, as in a hand of cards. n and r must be positive integers. ! A factorial is the product of the positive integers from 1 to n. n must be a whole number { 69. 39

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39
This line of best fit,
y
' = 0.6773251896
x
'-18.66637321
models the linear trend of the data.
The linear model gives an estimated braking distance of
18.59 meters for a vehicle traveling at 55 kph.
Probability
H
This key displays two menus:
PRB
and
RAND
.
PRB
contains the following options:
Press
$
to view
a
and
b.
%s
%t
3
#
<
55
E <
nPr
Calculates the number of possible
permutations
of
n
items taken
r
at a time,
given
n
and
r
. The order of objects is
important, as in a race.
n
and
r
must be
positive integers.
nCr
Calculates the number of possible
combinations
of
n
items taken
r
at a time,
given
n
and
r
. The order of objects is not
important, as in a hand of cards.
n
and
r
must
be positive integers.
!
A
factorial
is the product of the positive
integers from 1 to
n
.
n
must be a whole
number
{
69.