Lunch break: In a recent survey of 655 working Americans ages 25 34, the average weekly amount spent on lunch was $45.28 with standard deviation $2.61. The weekly amounts are approximately bellshaped. (a) Estimate the percentage of amounts that are between $42.67 and $4189. Approximately 68% T of the amounts fall between $42.67 and $4189. (b) Estimate the peroentage of amounts that are between $37.45 and $53.11. of the amounts fall between $37.45 and $53.11 . (c) Between what two values will approximately 95% of the amounts be? Approximately 95% of the amounts fall between 3D and SC]