Question

A restaurant sends customers in their loyalty program a coupon for a free birthday dessert. suppose that 8% of

the children and 12% of the adults redeem their coupons.
the restaurant takes separate random samples of 100 children and 90 adults from their loyalty program to see
the difference between the sample proportions (pc - pa).
what will be the shape of the sampling distribution of pc - pa, and why?

Answer 1

Not normal, because we expect fewer than 10 children to redeem the coupon.

Explanation: