Over a two-day period, 5/12 of a foot of snow fell in western new york. if 1/3 of a foot of snow fell on the first day, how much snow fell on the second day?
a. 4/9 of a foot
b. 1/12 of a foot
c. 9/12 of a foot
d. 4/12 of a foot

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?