Edexcel GCSE Mathematics · 1MA1

Probability

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Edexcel format & instructions

Show all working in the spaces provided. Paper 1H is non-calculator; Papers 2H and 3H permit a calculator. Diagrams are not to scale unless stated.

Original topic practice. This set is not a full official paper. Written work is self-reviewed against our worked solutions.

1H · Non-calculator · 80 marks · 90 minutes
2H · Calculator · 80 marks · 90 minutes
3H · Calculator · 80 marks · 90 minutes

Official specification ↗ · Official past papers ↗

QUESTION PAPER

Mathematics · Higher TierHigher Tier · Non-calculator practice · 1MA1

Torus Maths original · Edexcel style

A biased spinner lands on red with probability $p$ . It is spun twice independently. The probability of exactly one red is $3/8$ . Find all possible values of p.

(4)

Answer

(Total for Question 1 is 4 marks)

Question reference: edexcel-gcse-grade9-biased-spinner-1Report a question →

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