Eagle Outfitters is the chain of stores specializing in outdoor apparel as well as camping gear. They are considering the promotion that involves mailing discount coupons to all their credit card customers. This promotion will be considered the success if more than 10% of those receiving coupons use them. Before going national with promotion, coupons were sent to the sample of 100 credit card customers.
1. Make hypotheses that can be employed to test whether the population proportion of those who will employ the coupons is sufficient to go national.
H0: p =
Ha: p =
2. (There are 13 replies "yes" and 87 replies "no".) Make a point estimate of population proportion (to 2 decimals).