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There are only blue
cubes, red cubes and yellow cubes in a box.
The table shows the
probability of taking
at random a blue cube from the box.
Colour
blue
red
yellow
Probability
0.4
03
03
The number of red cubes in the box is the same as the number
of yellow cubes in the box.
a) Complete the table.
(2)
There are 30 blue cubes in the box.
b) What is the total number of cubes in the box?
(2)
Total marks: