The graph below shows four straight lines, w, x, y, and z.
which line is represented by the function f(x) = 3x + 5?
a: line w
b: line x
c: line y
d: line z

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

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?

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