The average amount of money that people spend at Don Mcalds fast food place is $7.9000 with a standard deviation of $1.9900. 12 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? XN 7.9000 1.9900 08 b. What is the distribution of ? N( OF c. What is the distribution of Στ? Στ~ N d. What is the probability that one randomly selected customer will spend more than $8.4183?
The average amount of money that people spend at Don Mcalds fast food place is $7.9000 with a standard deviation of $1.9900. 12 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? XN 7.9000 1.9900 08 b. What is the distribution of ? N( OF c. What is the distribution of Στ? Στ~ N d. What is the probability that one randomly selected customer will spend more than $8.4183?
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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B,C, and D
Transcribed Image Text:The average amount of money that people spend at Don Mcalds fast food place is $7.9000 with a standard
deviation of $1.9900. 12 customers are randomly selected. Please answer the following questions, and
round all answers to 4 decimal places where possible and assume a normal distribution.
a. What is the distribution of X? X - N 7.9000
1.9900
08
b. What is the distribution of ? N(
OF
c. What is the distribution of Στ? Στ~ N
d. What is the probability that one randomly selected customer will spend more than $8.4183?
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