The table shows the results of a random survey about the mayor's performance. The mayor
is running for re-election. A total of 2,400 people are expected to vote in the election. Based
on the data, which is the most likely result?
The mayor will lose in a close race.
Mayor's Performance
Rating
Frequency
The mayor will win by a large percentage.
Excellent
10
The mayor will lose by a large percentage.
Satisfactory
18
30
Needs Improvement
Unsatisfactory
The mayor will win in a close race.
22

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?