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Sampling and proportions — Question 143

Original QCE Vault practice · 3 marks

Q143 · Practice questionTechnology-activeSimple familiar3 marks

QUESTION 143 (3 marks)

A population has proportion p=0.40p=0.40. For random samples of size 400400, use a normal approximation to determine P(0.36<p^<0.44)P(0.36<\hat p<0.44).
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