The average amount of money spent for lunch per person in the college cafeteria is $7.15 and the standard deviation is $2.64. Suppose that 46 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal placeswhere possible. , 2.64 a. What is the distribution of X? X- N( 7.15 b. What is the distribution of ? - N( 7.15 c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $6.6362 and $7.0208. d. For the group of 46 patrons, find the probability that the average lunch cost is between $6.6362 and $7.0208. 0.1515 e. For part d), is the assumption that the distribution is normal necessary? O NoO Yes
The average amount of money spent for lunch per person in the college cafeteria is $7.15 and the standard deviation is $2.64. Suppose that 46 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal placeswhere possible. , 2.64 a. What is the distribution of X? X- N( 7.15 b. What is the distribution of ? - N( 7.15 c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $6.6362 and $7.0208. d. For the group of 46 patrons, find the probability that the average lunch cost is between $6.6362 and $7.0208. 0.1515 e. For part d), is the assumption that the distribution is normal necessary? O NoO Yes
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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