Sample Size Problems Involving Proportions & Means
- Author:
- David Gurney
Move the slider to select a new problem.
Check the box to see the answer.
There will be a problem like this on the final exam.
This applet is based on problems 31, 33 and 35
on pages 341-42 and problems 25, 26 and 27 on
page 359 of Mario F. Triola, "Elementary Statistics",
12th edition, Pearson Education, Inc. 2014.
Note that the results from these formulas are
rounded up to the next greater integer if there is
any non-zero digit to the right of the decimal point.