Question

A bag contains 20 marbles: 5 red, 5 blue, and 10 yellow. What is the probability that a red is randomly selected?

A)
`(1)/(4)`

B)
`(1)/(6)`

C)
`(1)/(12)`

D)
`(1)/(24)`

Answer 1

A) 1/4

Explanation:

There are 5 red in a bag of 20.

5/20

=

1/4

Answer 2

There is 5 red marbles, so choosing a red marble has the probability of
`(5)/(20)`.

Simplfying this give you A)
`(1)/(4)`