Lunch break: In a recent survey of 655 working Americans ages 25*34, the average weekly amount spent on lunch was $4294 with standard deviation 82.98. The weekly amounts are approximately bellshaped. Partlof3 o (a) Estimate the percentage of amounts that are between $34.00 and 551.88. of the amounts fall between $34.00 and $51.88. Part20f3 o (b) Estimate the percentage of amounts that are between $3698 and $48.90. Approximately 95% V of the amounts fall between $36.98 and $48.90. Part:2/3 Part3of3 (c) Between what two values will approximately 68% of the amounts be? X 5) Approximately 68% of the amounts fall between S' l and SI ]