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Advanced Probability Distributions - HP 10bII+ User Manual

Financial calculator.
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Example
Store a seed value of 42; set the number display to 9. Then generate three random numbers.
Table 12-17 Example storing a seed value and generating random numbers
Keys
YG\w]6
\5d
]6
]6
]6
\5G

Advanced Probability Distributions

The 10bII+ allows easy calculation of the Z and Student's T probability distribution values. In
addition, it allows inverse calculations of both functions. The values are calculated using the
lower tail probability. This lower tail probability corresponds to the area under the curve to
the left of the input. If you need a value other than a lower tail, such as a two-sided value,
please see the conversion instructions at the end of this chapter.
Table 12-18 Advanced probability keys
Keys
]F
]oF
]I
]oI
These distribution functions replace the statistical tables found in the back of textbooks. Unlike
the textbook, the calculator can calculate any value, not just a limited selection found in the
table.
128
Statistical Calculations
Display
42.00
42.000000000
.199873749
.863046890
.504024868
.50
Description
Calculates a cumulative normal probability
given a Z-value.
Calculates a Z-value given a cumulative
normal probability.
Calculates the cumulative Student's T
probability given degrees of freedom and a
T-value.
Calculates a T-value given degrees of
freedom and the cumulative Student's T
probability.
Description
Stores 42 as the random number
generator seed.
Set display precision.
Generate first random number.
Generate second random
number.
Generate third random number.
Reset display to default setting.

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