11.7.20 – Random Sample Amounts for Purchases

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Given the sample size, the mean, the standard deviation, and the margin of error on a confidence interval... determine the sample size that would be needed to reach predetermined margins of error.

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  • Search Terms: $, $. $? % . a about amounts and assume be be? b) confidence deviation error for have how interval intervals. a) large margin mean of purchases random reduce sample size standard taken. that the to was would
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