Question

Please help! i’m horrible at math and i don’t want to fail!!! 6-1: MathXL for School: Practice & Problem Solving

Due 04/27/
5.1.PS-13
Question Help
A bag contains 9 white marbles and 54 red marbles. If a representative sample contains 2 white
marbles, then how many red marbles would you expect it to contain? Explain.
Because the ratio of white marbles to red marbles is in the population, the expected number of
red marbles is times the number of white marbles in the representative sample. There should be
red marbles.

Answer 1

12 red marbles

Explanation:

9/4.5 to get 2 white marbles

54/4.5 to get 12 white marbles