Question

At a carnival, you spin a spinner that has four equal-sized sections, each a different color: green, yellow, red, and blue. If you land on green, you win 2 points. If you land on yellow, red, or blue, you lose 1 point. Write the expected value equation.

Answer 1

E = 2(1/4) - 3(1/4) = -1/4

Answer 2

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