Hp 49g Graphing Calculator Manuel d'utilisateur Page 184

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Results
Critical Z Critical value for Z.
(r Min Lower bound for fij - |i
2
/sjiMax Upper bound for - |i
2
One-Proportion Z-Interval
Menu name: Z-INT: 1 P
This option uses the Normal Z-distribution to calculate a confidence
interval for the proportion of successes in a population for the case in
which a sample of size, n, has a number of successes, x.
Inputs
X
n
c
I
Results
Critical Z
7t Min
Tt Max
Sample success count.
Sample size.
Confidence level.
Critical value for Z.
Lower boimd for n.
Upper boimd for n.
Two-Proportion Z-Interval
Menu name: Z-INT: PI - P2
This option uses the Normal Z-distribution to calculate a confidence
intei-val for the difference in the proportions of successes in two
populations.
Inputs
xl
Sample 1 success count.
x2
Sample 2 success coimt.
nl
Sample 1 size.
n2
Sample 2 size.
C
Confidence level.
Page 9-16
Using statistics
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