part 3 of 3 needs to be answered

Lunch break: In a recent survey of 698 working Americans ages 25-34, the average weekly amount spent on lunch as $45.89 with standard deviation $2.71. The weekly amounts are approximately bell-shaped. Part 1 of 3 Fo (a) Estimate the percentage of amounts that were less than $43.18. Round the answer to one decimal place. Approximately 16 % of the amounts were less than $43.18. old Part 2 of 3 (b) Estimate the percentage of amounts that were greater than $51.31. Round the answer to one decimal place. Approximately 2.3 % of the amounts were greater than $51.31. Part: 2 / 3 Part 3 of 3 (c) Estimate the percentage of amounts that were between $45.89 and $48.60. Round the answer to one decimal place. Approximately % of the amounts fall between $45.89 and $48.60