The marketing department of a sports supply store wants to estimate the percentage of adults in the town who belong to a gym. which statement describes a method that will the marketing department accurately estimate this percentage? a: select the store’s first 20 customers every day for one week, and ask each person whether he or she belongs to a gym. calculate the percentage of the total who say “yes.” b: take a random sample of adults in the town, and ask each person whether he or she belongs to a gym. calculate the percentage of the total who say “yes.” c: take a random sample of the store’s adult customers, and ask what percentage of their friends belong to a gym. calculate the mean of the responses. d: take a random sample of adults at the local park, and ask each person whether he or she belongs to a gym. calculate the percentage of the total who say “yes.”