Marbles Red

As part of a statistics project, a 6th grade teacher brings to class a container with 200 red marbles and 800?

As part of a statistics project, a 6th grade teacher brings to class a container with 200 red marbles and 800 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 150 marbles from the container. Of the 150 marbles drawn, 33 are red. What is the sampling error?
A.2%
B.02%

The answer is B .02

Sxip Shirey playing bowls with red marbles

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