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graph y = – 3x + 6 using the interactive graphing calculator. which of the following statements are true?
the line increases from left to right.
the line crosses the x-axis at –3.
the line crosses the y-axis at 6.
as the input increases, the output decreases.
the line does not enter quadrant ii at all.
the point (3.5, –4.5) lies on the line.

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?