According to the U S Census Bureau in 2009 2 1 of
According to the U.S. Census Bureau, in 2009, 2.1% of Americans worked at home. An economist believes that the percentage of Americans working at home has increased since then. He randomly selects 150 working Americans and finds that 6 of them work at home. Do a higher proportion of Americans work at home? Use the α = 0.05 level of significance.
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