Lunch break: In a recent survey of 616 working Americans ages 25-34, the average weekly amount spent on lunch as $43.41 with standard deviation $2.96. The weekly amounts are approximately bell-shaped. Part 1 of 3 (a) Estimate the percentage of amounts that were less than $40.45. Round the answer to one decimal place. Approximately 16 % of the amounts were less than $40.45. Part: 1 / 3 ola Part 2 of 3 (b) Estimate the percentage of amounts that were greater than $49.33. Round the answer to one decimal place. Approximately % of the amounts were greater than $49.33. X