Determine which of the following relations is a function. 20
y
20
x
20
y
2
10
-3
-10
-5
O
y
-4
-2
5
-1
-IN.
1
VON ANC
0
0
3
6
-5
0
1
4.
AN
01 NIN
3
10
-10
4
9

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?