One-Proportion Z-Interval - HP 39G User Manual

One–Proportion Z–Interval
Menu name
Inputs
Results
9-18
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.
The inputs are:
Field name Definition
x Sample success count.
n Sample size.
C Confidence level.
The results are:
Result Description
Critical Z Critical value for Z.
Min Lower bound for .
Max Upper bound for .
Inference aplet