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Standard error of proportion with confidence level

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Reference no: EM132529355

A sample supermarket survey showed that 198 out of 260 shoppers regularly use discount coupons.

Standard error of proportion with confidence level 95 \%.

Construct an interval with 95 \% confidence for the true corresponding proportion.

What can we say with 99 \% confidence about the maximum error if we use the observed sample proportion as an estimate of the proportion of all buyers in the sampled population using discount coupons?

Reference no: EM132529355

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