Edexcel
GCSE
Maths
Basic probability
Edexcel GCSE Maths revision on Basic probability. Aligned to the Pearson Edexcel GCSE Mathematics 1MA1 specification. This bank has 20 practice questions on this topic.
Sample questions (3 of 20)
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Question 1
Probability of getting heads on a fair coin?
- A) 1/4
- B) 1/2
- C) 1
- D) 0
Show answer
Answer: 1/2
Probability = (favourable outcomes) / (total outcomes). Coin: 2 outcomes (H, T), 1 favourable: P(H) = 1/2.
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Question 2
Roll a fair 6-sided die. P(getting a 4)?
- A) 1/4
- B) 1/6
- C) 4/6
- D) 1/2
Show answer
Answer: 1/6
Die has 6 outcomes (1-6), 1 favourable (the 4). P = 1/6.
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Question 3
Roll a die. P(getting an even number)?
- A) 1/2
- B) 1/3
- C) 1/4
- D) 2/3
Show answer
Answer: 1/2
Even numbers on a die: 2, 4, 6 = 3 outcomes. P = 3/6 = 1/2.
Want to test yourself on the remaining cards for this topic?
17 more questions on Basic probability — plus mistakes tracking and spaced repetition across the whole Maths spec.