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Problem on survey of medical records

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Reference no: EM131745762

Question: Significant? Public health officials believe that 90% of children have been vaccinated against measles. A random survey of medical records at many schools across the country found that, among more than 13,000 children, only 89.4% had been vaccinated. A statistician would reject the 90% hypothesis with a P-value of p = 0.01.

a) Explain what the P-value means in this context.

b) The result is statistically significant, but is it important? Comment.

Reference no: EM131745762

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