Essay
For Questions , use the following narrative
Narrative: Coupons
Suppose you think that the proportion of coupon users in grocery stores in your town has decreased from 10 years ago.You know from previous research that 10 years ago, 35% of grocery store customers in your town used coupons.Suppose you take a random sample of 100 customers from a variety of grocery stores in your town, and you find that 25 percent of them use coupons.
-{Coupons narrative} Write down the null and alternative hypotheses.
Correct Answer:
Verified
Correct Answer:
Verified
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