To attract business, a clothing store mails discount coupons to residents of a town. To estimate the proportion of the store's shoppers who are using the coupons, the store manager selects a random sample of 100 customers
who visit the store on a weekend. The manager finds that 38 of them are using the coupons mailed to their homes.
Which of the following describes the sample in this setting?
all residents of the town
the 38 shoppers who used coupons
the 100 randomly selected shoppers
all shoppers in the store on the weekend

Asap 25 pts brainliest to right best/answer

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much