The range of scores on a statistics test was 42. The lowest score was 57. What was the highest score?A) 78B) 99C) cannot be determinedD) 70.5

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

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.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?