- Press STAT.
- Press the right arrow key to scroll over to the TESTS menu.
- Press the down arrow key to scroll down until 1-PropZTest is highlighted.
- Press ENTER.
- Input the proportion you used for your null hypothesis (as a decimal) next to the p0.
- Input the number of “successes” next to the x. Remember: The number of successes must be entered as a whole number.
- Input the sample size next to the n.
- Select the alternate hypothesis.
- Highlight Calculate and press ENTER.
- The calculator should now display the results of the hypothesis test.
Old Operating System Manual