HP 10bII+ Financial manual 7VF, 17GV4

Table 1-32 Probability keys

Keys	Description
]<	Calculates number of permutations of n items taken r at
	a time.
]9	Calculates number of combinations of n items taken r at
	a time.
]E	Calculates factorial of n (where -253 < n < 253).

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

KeysDisplay Description

\5	0.00000	Sets number display
		to five digits to the
		right of the decimal.
7V]F	.69146	Calculates the
		cumulative probability
		of the Z-value.
17GV4	.94146	Adds .25.
]oF	1.56717	Calculates the Z-value

from the cumulative probability.

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.

Getting Started 31