Lunch break: In a recent survey of working Americans ages - , the average weekly amount spent on lunch as with standard deviation .The weekly amounts are approximately bell-shaped. Part: 0 / 3 0 of 3 Parts Complete Part 1 of 3 (a) Estimate the percentage of amounts that were less than . Round the answer to one decimal place. Approximately of the amounts were less than .
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However, I will provide a general step-by-step method to solve this type of problem assuming the data is approximately normally distributed (bell-shaped). --- Show more…
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Lunch break: In a recent survey of working Americans ages -, the average weekly amount spent on lunch as with standard deviation . The weekly amounts are approximately bell-shaped. (a) Estimate the percentage of amounts that were less than . Round the answer to one decimal place
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