Casio FX-9750G PLUS User's Manual & Technical Reference page 309

u u u u u 1-Prop Z Test
This test is used to test for an unknown proportion of successes. The 1-Prop
Test is applied to the normal distribution.
x
– p
n
0
Z =
(1– p )
p
0 0
n
Perform the following key operations from the statistical data list.
3(TEST)
1(Z)
3(1-P)
Prop ................ sample proportion test conditions ("G
p
.................... expected sample proportion (0 <
0
x
..................... sample value (
n
..................... sample size (positive integer)
Execute .......... executes a calculation or draws a graph
Example To perform a 1-Prop
proportion, data value, and sample size
Perform the calculation using:
1(G)c
a.fw
caeiw
eaeaw
1(CALC)
PropG0.5 ........ direction of test
z ...................... z
p ......................
ˆ p ......................
n ......................
p
: expected sample proportion
0
n
: sample size
p
test, "< " specifies lower one-tail test, ">
0
one-tail test.)
x
> 0 integer)
Z
Test for specific expected sample
value
p-value
estimated sample proportion
sample size
Tests
p
" specifies two-tail
0
p
" specifies upper
0
p
< 1)
0
p x n
= 0.5, = 2048,
0
18 - 6
Z
= 4040.
281