Question

A spinner has 3 red spaces, 5 white spaces, and 1 black space. If the spinner is

spun once, what is the theoretical probability of the spinner NOT stopping on
red?
P(Not red) =

Answer 1

`(2)/(3)`

Explanation:

If we have 3 red spaces, 5 white spaces, and one blank space, there are a total of 9 spaces.

Since there are 3 red spaces, there is a
`(3)/(9) = (1)/(3)` chance of getting a red. However, the question asks the probability of not getting a red, so the chances of not getting a red are
`1 -(1)/(3) = (2)/(3)`.

Hope this helped!