Question
WJEC Unit 1 (Non-calculator) — Higher
Owain spins a coin and records the relative frequency of heads after every 10 spins:
| Spins | 10 | 50 | 200 | 1000 | | Rel. freq. heads | 0.7 | 0.56 | 0.51 | 0.502 |
(a) Explain what the table shows about the relative frequency as the number of spins increases. (2 marks) (b) Estimate the probability of heads, justifying your choice of value. (2 marks)
4 marks · take your time before peeking.
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