Hi,
can someone help me solve this please I have tried so hard but can't figure it out? In past years, approximately 20% of all U.S. families purchased potato chips at least once a month. You are interested in determining the fraction of all U.S. families that currently purchase potato chips at least once a month. How many families must you survey if you want to be 99% sure that your estimate of the relevant proportion is accurate within 2%?
Thanks,
Ami
ami_2 0
Newbie Poster
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Jump to PostThis sounds like one of the basic sample size questions you cover in Statistics. You can pop that into a web site like https://www.surveysystem.com/sscalce.htm to see how many samples for 99% confidence or …
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rproffitt 2,572
"Nothing to see here." Moderator
ami_2
commented:
Hey thanks for the reply but is there a way i cam do it with excel? +0
rproffitt 2,572
"Nothing to see here." Moderator
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