The owner of a popular chicken restaurant, Chicken-For-Me, withmany branches wanted to know if the quality of customer service ata new restaurant was acceptable. One aspect of service that wasexamined was the length of time that customers had to wait in linebefore ordering their food. The restaurant decided on acceptableprobabilities for the waiting-time categories, and these are givenbelow.
Waiting-time Category
Probability
No more than 1 minute
0.15
More than 1 minute but no more than 3 mins
0.30
More than 3 minutes but no more than 5 mins
0.24
More than 5 minutes but no more than 10 minutes
0.25
More than 10 minutes
0.06
To investigate whether the quality of customer service wasacceptable, waiting times were recorded for a random sample of 100customers at the new Chicken-for-Me. The table below shows thenumber of customers observed in the five waiting-timecategories.
Waiting-time Category
  
Number of Customers
No more than 1 minute
20
More than 1 minute but no more than 3 mins
31
More than 3 minutes but no more than 5 mins
31
More than 5 minutes but no more than 10 minutes
15
More than 10 minutes
3
Total
100
Use the sample data for the 100 customers to conduct a statisticaltest to determine if the waiting times at the new Chicken-For-Meare inconsistent with the acceptable probabilities for the waiting-time categories.
Question #2
A randomly selected group of men and women were surveyed toinvestigate the association between gender and the amount of moneyspent at a local store, Bullseye. Results are shown in the tablebelow:
Dollars Spent @ “Bullseye”
$0 to $50
$51 to $100
$101 to $200
more than $201
Total
Men
18
85
71
90
264
Women
35
72
98
142
347
Total
53
157
169
232
611
Is there convincing evidence that there is an association betweengender and the amount of money spent at “Bullseye”?