HP 10bII+ Quick Start Manual page 37

Table 1-32 Probability keys
Keys
]<
]9
]
E
Enter .5 as a Z-value and calculate the cumulative probability of the Z-value and
the Z-value from a given cumulative probability.
Table 1-33 Calculating the probability
Keys
\5
7V]F
17GV4
]oF
For more information on probability, refer to the section titled, Probability in
chapter 12, Statistical Calculations in the HP 10bII+ Financial Calculator User's
Guide.
Description
Calculates number of permutations of
a time.
Calculates number of combinations of
a time.
Calculates factorial of
0.00000
1.56717
(where -253 <
n
Display Description
Sets number display
to five digits to the
right of the decimal.
.69146 Calculates the
cumulative probability
of the Z-value.
.94146 Adds .25.
Calculates the Z-value
from the cumulative
probability.
Getting Started
items taken at
n r
items taken at
n r
< 253).
n
31