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.What isa=b=c=d=e=f=g=
Mathematics · High School · Mon Jan 18 2021
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Given the statement:
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.
Determine the value of the equation.
Solutiuon:
We can determine the value of the equation, by simply writing the probability of winning 2 points and losing 1 point. Since the spinner has four equal size, and the probability of winning 2 points, is by landing on green, and the probability of losing 1 point is by landing on yellow, red and blue, then we can divide the values by 4 to determine the probability.
Probability of Winning 2 Points
= ¼
= 0.25
Probability of Losing 1 Point
= ¾
= 0.75
Since we are given a decimal answer, in order to convert it into percentage, we multiply the decimal by 100. Hence, in converting a percentage into decimal, we divide the percentage by 100.
= (0.25)(100)
= 25%
= (0.75)(100)
= 75%
Final answer:
Probability of Winning 2 Points = 25%
Probability of Losing 1 Point = 75%