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Suppose a random sample of 120 companies taken in 2002 showed that 18 offered high-deductible health insurance plans to their workers. A separate random sample
Suppose a random sample of 120 companies taken in 2002 showed that 18 offered high-deductible health insurance plans to their workers. A separate random sample of 100 firms taken in 2003 showed that 21 offered high-deductible health insurance plans to their workers. Based on the sample results, can you conclude that there is a higher proportion of companies offering high-deductible health insurance plans to their workers in 2003 than in 2002? Conduct your hypothesis test at a level of significance a = 0.02. Let p, be the population proportion from 2003, and let p2 be the population proportion from 2002. Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: P1 - P2 > 0 OB. Ho: P1 - P2 20 O C. Ho: P1 - P2 # 0 HA: P1 - P2 SO HA: P1 - P2 0 HA: P1 - P2# 0 HA: P1 - P2 20 Determine the critical value(s). V = (Use a comma to separate answers as needed. Round to two decimal places as needed.)
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