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2.1 Statistical Sampling

2.1 Statistical Sampling

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Question 13

Two simple random samples of 40 light bulbs are taken from the same day's production. The first sample contains 1 faulty bulb and the second contains 4 faulty bulbs.

a.

State which sample gives the larger estimated proportion of faulty bulbs.

[1]
b.

Explain why the estimates are different.

[1]
Markscheme

2.1 Statistical Sampling Questions

  1. A Level
  2. /Maths
  3. /2.1 Statistical Sampling

36 exam-style questions on WJEC A Level Maths 2.1 Statistical Sampling, covering 2.1.1 Statistical Sampling, 2.1.2 Statistical Sampling, 2.1.3 Statistical Sampling, 2.1.4 Statistical Sampling, and 2.1 Statistical Sampling. Each one has a worked solution and a mark scheme showing where the marks go.

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