Probability - Texas Instruments TI-30XS Multiview User Manual

$$
<
Press $ to view a and b.
This line of best fit, y'=0.67732519x'-18.66637321 models the
linear trend of the data.
Press $ until y' is highlighted.
< 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
nCr
Copyright © 2006 Texas Instruments Incorporated
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.
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.
36