In a recent survey of 655 working Americans ages −2534 , the average weekly amount spent on lunch was $43.09 with standard deviation $2.65 . The weekly amounts are approximately bell-shaped. Estimate the percentage of amounts that are between $35.14 and $51.04 .

In a recent survey of 655 working Americans ages −2534 , the average weekly amount spent on lunch was $43.09 with standard deviation $2.65 . The weekly amounts are approximately bell-shaped. Estimate the percentage of amounts that are between $35.14 and $51.04 .

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

In a recent survey of

655

working Americans ages

−2534

, the average weekly amount spent on lunch was

$43.09

with standard deviation

$2.65

. The weekly amounts are approximately bell-shaped.

Estimate the percentage of amounts that are between

$35.14

and

$51.04

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