If you have a spinning wheel with 3 green sectors, 1 blue sector, and 1 red sector, what is the probability of getting a green sector? What is the probability of getting a non-blue sector?

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Solution

There are five sectors. Three sectors are green out of five sectors. Therefore, the probability of getting a green sector = $\frac{3}{5}$ .
There is only one blue sector out of five sectors.
So, non-blue sectors = 5 - 1 = 4 sectors.
Therefore, the probability of getting a non-blue sector = $\frac{4}{5}$ .

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Q. Tick (✓) the correct answer:
In a spinning wheel, there are 3 white and 5 green sectors. It is spinned. What is the probability of getting a green sector?
(a)

\frac{5}{3}

(b)

\frac{5}{8}

(c)

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(d)

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If you have a spinning wheel with 3 green sectors, 1 blue sector, and 1 red sector, what is the probability of getting a green sector? What is the probability of getting a non-blue sector?

There are five sectors. Three sectors are green out of five sectors. Therefore, the probability of getting a green sector = 35. There is only one blue sector out of five sectors. So, non-blue sectors = 5 - 1 = 4 sectors. Therefore, the probability of getting a non-blue sector =45.