Mathematics, 18.09.2019 18:00, ari8361

Agrocery store chain has been tracking data on the number of shoppers that use coupons. the data shows that 71% of all shoppers use coupons. 18 times out of 20 these results were considered accurate to within 2.5%. what is the margin of error?

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Agrocery store chain has been tracking data on the number of shoppers that use coupons. the data sho...