QCEVault

Sampling and proportions — Question 144

Original QCE Vault practice · 3 marks

Q144 · Practice questionTechnology-freeComplex familiar3 marks

QUESTION 144 (3 marks)

For samples of size 400400, the sampling distribution of p^\hat p has standard deviation 0.0200.020. Given that the population proportion satisfies p>0.5p>0.5, determine pp.
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