A bag contains only red, green, brown and yellow marbles.
The probabilities of selecting each colour are shown below.
Colour Red Green Brown Yellow
Probability
5
x
2
x
3
x
4
x
Find the probability of selecting a yellow marble.
The probabilities of selecting each colour are shown below.
Colour Red Green Brown Yellow
Probability
5
x
2
x
3
x
4
x
Find the probability of selecting a yellow marble.