Question: According to the federal government 24 of workers covered by

According to the federal government, 24% of workers covered by their company's health care plan were not required to contribute to the premium (Statistical Abstract of the United States: 2006). A recent study found that 81 out of 400 workers sampled were not required to contribute to their company's health care plan.
a. Develop hypotheses that can be used to test whether the percent of workers not required to contribute to their company's health care plan has declined.
b. What is a point estimate of the proportion receiving free company-sponsored health care insurance?
c. Has a statistically significant decline occurred in the proportion of workers receiving free company-sponsored health care insurance? Use α = .05.

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  • CreatedSeptember 20, 2015
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