For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. In a marketing survey, a random sample of 982 supermarket shoppers...

For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.


In a marketing survey, a random sample of 982 supermarket shoppers revealed that 262 always stock up on an item when they find that item at a real bargain price.