Mathematics, 15.04.2020 01:23 klawess4
A health club annually surveys its members. Last year, 33% of the members said they use the treadmill at least four times a week. How large a sample should be selected this year to estimate the percentage of members who use the treadmill at least four times a week? The estimate is desired to have a margin of error of 5% with a 95% level of confidence.
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A health club annually surveys its members. Last year, 33% of the members said they use the treadmil...
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