Suppose an urn contains seven chips labeled 1, . . . , 7. Three of the chips are black, two are red, and two are green. The chips are drawn randomly one at a time without replacement until the urn is empty. (a) What is the probability that the i th draw is chip number 5? (b) What is the probability that the i th draw is black?

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.

Can you divide 25 into 4 equal groups? explain why or why not.

Asingle die is rolled twice. find the probability of rolling a 3 the first time and a 2 the second time