Lunch break: In a recent survey of 655 working Americans ages 25-34, the average weekly amount...
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Lunch break: In a recent survey of 655 working Americans ages 25-34, the average weekly amount spent on lunch was $42.49 with standard deviation $2.89. The weekly amounts are approximately bell-shaped. Part 1 of 3 (a) Estimate the percentage of amounts that are between $36.71 and $48.27. of the amounts fall between $36.71 and $48.27. Part 2 of 3 (b) Estimate the percentage of amounts that are between $33.82 and $51.16. of the amounts fall between $33.82 and $51.16. Part: 2/3 Part 3 of 3 (c) Between what two values will approximately 68% of the amounts be? Approximately 68% of the amounts fall between $ and $ Lunch break: In a recent survey of 655 working Americans ages 25-34, the average weekly amount spent on lunch was $42.49 with standard deviation $2.89. The weekly amounts are approximately bell-shaped. Part 1 of 3 (a) Estimate the percentage of amounts that are between $36.71 and $48.27. of the amounts fall between $36.71 and $48.27. Part 2 of 3 (b) Estimate the percentage of amounts that are between $33.82 and $51.16. of the amounts fall between $33.82 and $51.16. Part: 2/3 Part 3 of 3 (c) Between what two values will approximately 68% of the amounts be? Approximately 68% of the amounts fall between $ and $
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Using the properties of the normal distribution we can estimate the percentages of amounts falling i... View the full answer
Related Book For
Basic Business Statistics Concepts and Applications
ISBN: 978-0132168380
12th edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
Posted Date:
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