A student selects a marble from a bag, keeps it, and selects another. The bag contains 5 green marbles, 4 black marbles, and 2 blue marbles. Find the probability of selecting a green marble on the first trial and a black marble on the second trial.
A. 2/11
B. 4/10
C. 5/11
D. None of the choices are correct.

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.

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Hundred and tens tables to make 430 in five different ways