A set of data is normally distributed with a mean of 3.5 and standard deviation of 0.5. What is the probability that a data value chosen at random is more than
3.1?
0.7877
0.3133
0.7881
0.5755

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?