3 My weasels are likely to bit me, scratch me or ignore me. The probabilities are shown below:

Bite Me 0.23

Scratch Me _____

Ignore Me: 0.09

a) What is the probability one scratches me?

b) What is the probability a weasel either bites me

**or**scratches me?(4 marks)

a) 0.68

b) 0.91

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