Sample Size for Population Proportion
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Check the box to see the answer.
This applet was last updated on 3/29/2022.
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 is based on problem #38 p. 404 of
Michael Sullivan, Fundamentals of Statistics, 5th edition,
Pearson Education, Inc. 2018, and problems
#15, 16, 17, 19, 20 p.388 from Allan G. Bluman,
Elementary Statistics, 8th edition, McGraw Hill
Education 2019.
This applet was updated 9/27/2013, 9/11/2015,
8/11/2020 and 3/29/2022.