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A recent survey by a polling agency showed that 20% of people in Germany had a...

A recent survey by a polling agency showed that 20% of people in Germany had a face mask and wore it when going outside while only 16% of people in the UK had and wore a face mask. They survey was based on interviews with 1,800 people from each country. Use the four-step approach to test the hypothesis that the proportion of people who wore a face mask in Germany was higher than the proportion of people in the UK. Use the 95% confidence level.

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