The table below shows the percentage of automobile sales for various makes of cars. If a total of 3500 cars were sold, how many cars of Brand B were sold? Brand Amount
А
25%
B
28%
с
12%
D
15%
Other
20%
A
700 cars
B. 875 cars
890 cars
980 cars

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?