Cindy has two bags
In the first bag there are 3 red balls and 7 green balls
in the secon...
Mathematics, 12.04.2020 15:20 wwwcarolynzouowficz
Cindy has two bags
In the first bag there are 3 red balls and 7 green balls
in the second bag there are 4 red balls and 5 green balls
Cindy takes at random a ball from the first bag
She then takes at random a ball from the second bag
a) Complete the probability tree diagram
first bag
second bag
red
10
red
green
b) What is the probability that
Cindy takes two balls of the
same colour?
10
90
red
green
(2)
10
green
green
(2)
Total marks: 4
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