sample data 4.9 goal sample size sample mean 0.75 25 4.372 5 or< 10.5 3.2 7.7 0.1875 0.0075 0.0866 2.3 3.2 9.5 6.7 5.5 standard error of the proportion Wait times less than 5 18 sample proportion 0.72 0.5 2.3 z score 0.35 Managers at a local phone service wireless retail center have a goal that 75% of the center's customers will have to wait less than five minutes for service. The data below shows the wait times of a random sample of 25 customers in minutes. Does this sample provide evidence that management's goal is being achieved? 3.3 2.3 4.5
sample data 4.9 goal sample size sample mean 0.75 25 4.372 5 or< 10.5 3.2 7.7 0.1875 0.0075 0.0866 2.3 3.2 9.5 6.7 5.5 standard error of the proportion Wait times less than 5 18 sample proportion 0.72 0.5 2.3 z score 0.35 Managers at a local phone service wireless retail center have a goal that 75% of the center's customers will have to wait less than five minutes for service. The data below shows the wait times of a random sample of 25 customers in minutes. Does this sample provide evidence that management's goal is being achieved? 3.3 2.3 4.5
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
I am stuck on the question below. I have been able to figure out everything down to the last part. I am to use Excel in the assignment.
I know that I will be using the excel formula norm.dist(x,mean,standarddeviation,true)
but I am having issues with plugging in the data correctly in the formula .. please assist ensuring to show me what should be plugged into the excel formula

Transcribed Image Text:sample data
4.9
goal
sample size
sample mean
0.75
25
4.372
5 or<
10.5
3.2
7.7
0.1875
0.0075
0.0866
2.3
3.2
9.5
6.7
5.5
standard error of the proportion
Wait times less than 5
18
sample proportion
0.72
0.5
2.3
z score
0.35
Managers at a local phone service wireless retail center have a goal that 75% of the center's customers will have to wait less than five minutes for service. The
data below shows the wait times of a random sample of 25 customers in minutes. Does this sample provide evidence that management's goal is being achieved?
3.3
2.3
4.5
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