Answer Happy

Lunch break: In a recent survey of 655 working Americans ages 25-34, the average weekly amount spent on lunch was $42.79 with standard deviation $2.86. The weekly amounts are approximately bell-shaped. Part 1 of 3 (a) Estimate the percentage of amounts that are between $37,07 and $48.51. (Choose one) of the amounts fall between $37.07 and $48.51. Part 2 of 3 (b) Estimate the percentage of amounts that are between $34.21 and $51.37. (Choose one) of the amounts fall between $34.21 and $51.37, Part: 2/3 Part 3 of 3 (c) Between what two values will approximately 68% of the amounts be? Approximately 65% of the amounts fall between and