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HP -32S Owner's Manual Page 68

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Example: Combinations of People. A company employing 14
women and 10 men is forming a 6-person safety committee. How
many different combinations of people are possible?
Keys:
24 |ENTER I 6
PROB
{Cn,r}
Keys:
14 | ENTER | 6
PROB | {Cn,r}
St)
s
Display:
6_
Cn,r
Pn,r
x!
R
134,596.0000
Display:
6_
3,003.0000
134,596.0000
0.0223
66
4: Real-Number Functions
Description:
Twenty-four people
grouped sbc at a time.
Probability menu.
Total number of com
binations possible.
If employees are chosen at random, what is the probability that the
committee will contain sbc women? To find the probability of an event,
divide the number of combinations for that event by the total number
of combinations.
Description:
Fourteen women
grouped six at a time.
Number of combina
tions of six women on
the committee.
Brings total number of
combinations back into
the X-register.
Divides combinations
of women by total
combinations to find
probability that any
one combination
would have all women.

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