Texas Instruments TI-83 PLUS - Manual (Page 405)

TI-83 Plus Inferential Statistics and Distributions 402
Drawn results:
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
: prop ƒ p
0
( prop: ƒ p 0
)
•
H
a
: prop
0
( prop: 0
)
•
H
a
: prop>p
0
( prop:>p 0
)
Input:
,