sample of two variables of size 40 produces a correlation coefficient of r = 0.682. what is the point estimate for the population correlation coefficient, p? construct a 95% confidence interval for p.

Which of the following describes the symmetry of the graph of y = x3?

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Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.