The average amount of money spent for lunch per person in the college cafeteria is $6.81 and the standard deviation is $2.32. Suppose that 11 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible. a. What is the distribution of X? X N( b. What is the distribution of ? N( c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $7.0108 and $7.6106. d. For the group of 11 patrons, find the probability that the average lunch cost is between $7.0108 and $7.6106. e. For part d), is the assumption that the distribution is normal necessary? O YesO No

The average amount of money spent for lunch per person in the college cafeteria is $6.81 and the standard deviation is $2.32. Suppose that 11 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible. a. What is the distribution of X? X N( b. What is the distribution of ? N( c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $7.0108 and $7.6106. d. For the group of 11 patrons, find the probability that the average lunch cost is between $7.0108 and $7.6106. e. For part d), is the assumption that the distribution is normal necessary? O YesO No

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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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