Texas Instruments TI-84 PLUS - Graphing Calculator - Page 234

Chapter 13: Inferential Statistics and Distributions 227
1-PropZTest
1-PropZTest (one-proportion z test; item 5) computes a test for an unknown proportion of
successes (prop). It takes as input the count of successes in the sample
x and the count of
observations in the sample
n. 1-PropZTest tests the null hypothesis H
0
: prop=p
0
against one of the
alternatives below.
•H
a
: propƒp
0
(prop:ƒp0)
•H
a
: prop<p
0
(prop:<p0)
•H
a
: prop>p
0
(prop:>p0)
Input:
Calculated
results:
Drawn
results: