HP 35s HP 35s scientific calculator - User Guide - Page 258
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y "Upper tail" area Q [x] x x ∫ Q(x) = 0.5 − 1 e dx x −((x −x )÷σ )2 ÷2 σ 2π x This program uses the built-in integration feature of the HP 35s to integrate the equation of the normal frequency curve. The inverse is obtained using Newton's method to iteratively search for a value of x which yields the given probability Q(x). 16-12 Statistics Programs
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16-12
Statistics Programs
This program uses the built–in integration feature of the HP 35s to integrate the
equation of the normal frequency curve. The inverse is obtained using Newton's
method to iteratively search for a value of
x
which yields the given probability
Q(x)
.
x
y
"Upper tail"
area
x
Q [x]
∫
÷
÷
−
−
−
=
x
x
x
x
dx
e
x
Q
2
)
)
((
2
2
1
5
.
0
)
(
σ
π
σ