Question

A gym teacher assigns 3 groups of students to a different ball to determine which group will play dodge ball first. The teacher assigns group 1 to a tennis ball, group 2 to a golf ball, and group 3 to a racquetball. The teacher places the 3 balls in a bag and picks a ball without looking. Is this a valid way to make a decision using a probability experiment? Why or why not?

Select the correct answers from the lists.

(1 point)
This
a valid way to make a decision using a probability experiment because the teacher uses different-sized balls which
influence the results.

Answer 1

This is not a valid way to make a decision using a probability experiment because the teacher uses different-sized balls which do influence the results.

Reason: Different sizes (and feel/weight) make the balls unequally likely to be picked, so outcomes are not equally probable.