Which of the following statements are true about the equation below? 22 - 61 + 2 = 0
A) The graph of the quadratic equation has a maximum value.
B) The solutions are r = 3 + 17.
C) The extreme value is at the point (3.-7).
D) The graph of the quadratic equation has a minimum value.
O O O
E) The solutions are r =
-3 17
F) The extreme value is at the point (7,-3).

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?