14129 Marks

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Hamid has 20 T-shirts.

The information shows the colours of his T-shirts.

7 black

4 dark blue

4 red

1 light blue

2 white

2 grey

Hamid is going to take one of his T-shirts at random.

a) What is the probability that the T-shirt will be grey?

b) What is the probability that the T-shirt will not be red?

c) He takes one of his blue T-shirts at random.

What is the probability that the T-shirt is light blue?