The average amount of money spent for lunch per person in the college cafeteria is $6.57 and the standard deviation is $2.93. Suppose that 47 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible.What is the distribution of XX? XX ~ N(,) ____________, __________What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) __________ , __________For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $6.44 and $6.85. _________For the group of 47 patrons, find the probability that the average lunch cost is between $6.44 and $6.85. _______For part d), is the assumption that the distribution is normal necessary? NoYes

Answered: Image /qna-images/answer/481d64e6-757a-4dba-aeab-0ba971fba33c.jpg

Answered: he average amount of money spent for…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

The average amount of money spent for lunch per person in the college cafeteria is $6.57 and the standard deviation is $2.93. Suppose that 47 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible.

What is the distribution of XX? XX ~ N(,) ____________, __________
What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) __________ , __________
For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $6.44 and $6.85. _________
For the group of 47 patrons, find the probability that the average lunch cost is between $6.44 and $6.85. _______
For part d), is the assumption that the distribution is normal necessary? NoYes

Expert Solution