# Hypothesis Vaccinations

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7 of 8,500 people vaccinated against a disease, later developed the disease. 18 out of 10,000 people after being vaccinated with a placebo(false vaccination), later developed the disease. Test the claim the vaccination helps lower the disease rate. Use a Type I error of 0.02.

Please show all steps and use traditional method of testing hypothesis.

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##### Solution Summary

The solution address how 7 of 8,500 people vaccinated against a disease, later developed the disease. 18 out of 10,000 people after being vaccinated with a placebo(false vaccination), later developed the disease. Test the claim the vaccination helps lower the disease rate. Use a Type I error of 0.02.

Please show all steps and use traditional method of testing hypothesis.

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