0580/13 May/Jun 2021, Question 12: Probability from Tables and Charts
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks
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The question, in short
A four-sided spinner is numbered 1, 2, 3 and 4; the table gives probabilities 0.18, 0.21 and 0.37 for three outcomes. Find the missing probability for number 4.
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Solution · 2 marks
- 1Probabilities add to 1
- 2P(4) = 1 − (0.18 + 0.21 + 0.37)
- 3= 1 − 0.76 = 0.24
Answer0.24
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