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Notice that the second parameter in the UTPN function is σ2, not σ
2
,
representing the variance of the distribution. Also, the symbol
ν (the lower-case
Greek letter no) is not available in the calculator. You can use, for example,
γ
(gamma) instead of
ν. The letter γ is available thought the character set
(‚±).
For example, to obtain the value of x for a normal distribution, with
μ = 10, σ
2
= 2, with p = 0.25, store the equation ‘p=1-UTPN(
μ,σ2,x)’ into variable
EQ (figure in the left-hand side below). Then, launch the numerical solver, to
get the input form in the right-hand side figure:
The next step is to enter the values of
μ, σ
2
, and p, and solve for x:
This input form can be used to solve for any of the four variables involved in the
equation for the normal distribution.
To facilitate solution of equations involving functions UTPN, UTPT, UTPC, and
UTPF, you may want to create a sub-directory UTPEQ were you will store the
equations listed above:
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