CPM Homework Help : CCG Problem 5-69

The probability of winning $\$3$ on the spinner at right is equal to the chance of winning $\$5$ . Find the expected value for one spin. Is this game fair?

Hint:

Refer to the Math Notes box in this lesson.

Help:

Part of the calculation for the expected value is $$3\left(\frac{135}{360}\right)$ .

More Help:

Is the game fair?
That means the amount you win is equal to the amount you lose, or the expected value is $0$ .

A spinner divided into 3 sections. One fourth section is labeled negative $6. Three eighths section is labeled $3. Three eighths section is labeled $5.