Mathematics · May / June 2023 · Paper 21 · Question 5
0580
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The question as text
Eric has four colours of paint. The table shows the probability that he uses each colour. Colour Red Blue Green Yellow Probability 0.3 0.35 0.13 x Find the value of x. x = [2]
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0.22 oe [2]
M1 for 1 – (0.3 + 0.35 + 0.13) oe
or B1 for 0.78 oe
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