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2 Statistics

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Question 255

A screening procedure labels a patient positive with probability 0.25 under the null model. A clinic tests 60 patients chosen on one morning.

a.

State two assumptions needed for a binomial model.

[2]
b.

Explain how testing patients from only one morning could threaten each assumption.

[2]
c.

State one consequence for the validity of an exact binomial test.

[2]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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