The spinner on a wheel of fortune can land with an equal chance on any one of ten regions. Three regions are red, four are blue, two are yellow, and one is green. A player wins $4 if the spinner stops on red and $2 if it stops on green. The player loses $1 if it stops on blue and $5 if it stops on yellow.

What is the expected value rounded to the nearest cent?

Question

The spinner on a wheel of fortune can land with an equal chance on any one of ten regions. Three regions are red, four are blue, two are yellow, and one is green. A player wins $4 if the spinner stops on red and $2 if it stops on green. The player loses $1 if it stops on blue and $5 if it stops on yellow.

What is the expected value rounded to the nearest cent?

anonymous · Answer

4*(3/10)+2*(1/10)-1*(4/10)-5*(2/10)

anonymous · Answer

= 0