4. at the jacovic family reunion, 42 tables
had 6 people. to find the number
of people, ivan did the computation
shown below. what number makes the
number sentence true? (1-4)
6[40+ 2) - 240
a 62
b 42
c 14
d 12

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?