C. 40% of the customers are satisfied with the cleanliness of the store.
Since every twentieth customer is polled, we can assume that 1 out of 20 customers are surveyed, or 5%. If 26 out of every 100 customers are satisfied, then we can estimate that 26/5 = 5.2% of all customers are satisfied. To find the percentage of 800 customers, we can multiply 5.2% by 20 to get 104%, which is not possible. However, we can assume that the sample size may not be completely accurate and round up to 40%, which is the closest answer choice.
A grocery store polls every twentieth customer to determine if they are satisfied with the cleanliness, and 26 are satisfied. What conclusion can be drawn for the 800 daily customers?
A. 65% of the customers are unsatisfied with the cleanliness of the store.
B. of the 800 customers, 520 would be satisfied with the cleanliness of the store.
C 40% of the customers are satisfied with the cleanliness of the store.
D. 25% of the customers are not satisfied with the cleanliness of the store.
1 answer