# Sample Size for Population Proportion Problems

- Author:
- David Gurney

- Topic:
- Statistics

Move the slider to select a new problem.
Check the box to see the answer.

There will be a problem like this on Test 4
and possibly the final exam.
Note that the results from the formulas are
rounded up to the next integer if there is
any non-zero digit to the right of the
decimal point.
This applet was developed from problems
31 through 36 on pages 340-41 of Mario
F. Triola, "Elementary Statistics", 12th
edition, Pearson Education, Inc. 2014.
This applet was updated Sept. 27, 2013.