1. According to statista.com, workers in Brazil lead the world in paid vacation days, averaging 41 days per year. The following data show the number of paid vacation days for a random sample of 20 Brazilian workers. 48 40 30 58 20 40 55 70 20 41 30 30 60 35 25 37 15 30 64 55 (a) Construct a 95% confidence interval to estimate the average number of paid vacation days for all Brazilian workers. Interpret your interval. (b) Does your answer in Part (a) verify the claim that Brazilian workers took on average 41 days of paid vacation per year? Explain.

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