Handling Data 4
2 marks · EasyA spinner has five equal sections numbered 1 to 5. It is spun 30 times and lands on 1 eight times.
Work out the experimental probability of the spinner landing on 1.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(±0.01)
Also accept: 4/15
Common mistakes: 1/5 (using theoretical rather than experimental)
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Marking points
M1 · 1 mark · Writes probability as eight successes out of thirty trials (8/30)
A1 · 1 mark · Simplifies fraction to 4/15 or gives decimal to 2dp (0.27)
Worked solution
Probability = 8/30 = 4/15 = 0.27 (2dp)