(answer ! )a box contains 720 marbles. the result of 20 marbles pulled at random from the box is given below. 5 red marbles, 6 blue marbles, 3 green marbles, 4 black marbles, 2 yellow marbles. based on this information, how many yellow marbles could be expected in the box?
a) 64 b) 72 c) 88 d) 100

make sure to check your work! : )

Solve |2x - 5| = 4 if anyone could , that would be great

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

Pleasse me i need an answer. give me the correct answer. answer if you know it ! the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.