Propzint - Texas Instruments TI-83 Manual Book

1.PropZInt

(one-proportion confidence interval; item ) computes a
1.PropZInt z A
confidence interval for an unknown proportion of successes. It takes as
input the count of successes in the sample and the count of
x
observations in the sample . The computed confidence interval depends
n
on the user-specified confidence level.
Input:
,
Calculated results:
TI-83 Plus Inferential Statistics and Distributions 410