Mathematics (AS & A Level) · Feb / March 2021 · Paper 52 · Question 2
9709
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The question as text
Georgie has a red scarf, a blue scarf and a yellow scarf. Each day she wears exactly one of these scarves. The probabilities for the three colours are 0.2, 0.45 and 0.35 respectively. When she wears a red scarf, she always wears a hat. When she wears a blue scarf, she wears a hat with probability 0.4. When she wears a yellow scarf, she wears a hat with probability 0.3.
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2(a)[2]
2(b)[3]
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