Question

Use the image to answer the question.

A circle is divided into 5 equal parts. Each triangle is a different color: purple, green, blue, yellow, and orange. An arrow attached to the middle of the circle points to the green part.

A student is creating a game where players flip a quarter and spin a spinner. What is the probability that the quarter lands on heads or the spinner lands on a green space?

(1 point)
Responses

70%
70%

50%
50%

10%
10%

60%

Answer 1

P(H or G) = P(H) + P(G) − P(H and G).
P(H) = 1/2, P(G) = 1/5, P(H and G) = (1/2)(1/5) = 1/10.
So P = 1/2 + 1/5 − 1/10 = 6/10 = 60%.

Answer: 60%.