A bag contains 10 colored beads. A bead is selected from the bag and then replaced. After five draws, a red bead has been pulled out three times, a blue bead once , and a green bead once . Which statement about the contents of the bag must be true?
A) There are six red beads in the bag.
B) There is at least one green bead in the bag.
C) There are no yellow beads in the bag.
D) There are at least three red beads in the bag.
E) There are two blue beads in the bag.

Question

Quizplus · Accepted Answer

The fact that a green bead was drawn at least once proves that there is at least one green bead in the bag.

A Bag Contains 10 Colored Beads