TI Instructions: Hypothesis Testing for the Population Proportion p
One Sample z-test for the proportion (p)
- Choose
STAT/TESTS/5:1-PropZTest
. - Note: Use arrows to navigate through the menu.
- 1-PropZTest
- p0: Enter the null value from the null hypothesis.
- x: Enter number of airplanes with coliform bacteria in the drinking water.
- n: Enter the sample size.
- prop ≠ p0 < p0 > p0: Choose the relevant form of the alternative hypothesis.
- You should see:

- Arrow down and choose CALCULATE, then press ENTER.