Concept explainers
(a)
Find the estimate of the percentage of merchandise coupons that were redeemed and also estimate the percentage dollar value of the coupons that were redeemed.
(b)
Obtain the number of coupons needed to be 95% sure that the percentage of coupons redeemed is within 1% of the population proportion of all coupons redeemed for the toy store.
(c)
Find the number of coupons needed to be 95% sure that the percentage of coupons redeemed is within 1% of the population proportion of all coupons redeemed for the toy store.
(d)
Explain the 95% confident that the proportion of such coupons redeemed in the future would be between 1.9% and 3.9%.
(e)
Find the
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