HP 32SII - Manual (Page 77)

Real–Number Functions 4–13
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Example: Combinations of People.
A company employing 14 women and 10 men is forming a six–person safety
committee. How many different combinations of people are possible
?
Keys: Display: Description:
24 š 6 _ Twenty–four people grouped six
at a time.
{ [PROB] Q8T Q8T   Probability menu.
{ Q , T } 8 )
 Total number of combinations
possible.
If employees are chosen at random, what is the probability that the committee
will contain six women
? To find the probability of an event, divide the number
of combinations for that event by the total number of combinations.
Keys: Display: Description:
14 š 6 _ 
Fourteen worriers grouped six
at a time.
{ [PROB] { Q , T } 8
)

Number of combinations of six
women on the committee.
Z 8 )

Brings total number of
combinations back into the
X–register.
p
)

Divides combinations of
women by total combinations
to find probability that any one
combination would have all
warriors.