BRAINLIST HELP Which of the following tables of values could NOT represent a function?

x-valuesy-values
113
422
731
10 40

x-valuesy-values
6 1
12 1
19 1
231

x-valuesy-values
18
119
110
311

x-valuesy-values
-234
-138
-5 12
0 290

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?