Problem # 10: Nationwide 13.6% of employed wage and salary workers are union members. At random...

Problem # 10: Nationwide 13.6% of employed wage and salary workers are union members. At random sample of 200 local wage and salary workers showed that 33 belonged to a union. At 0.05 level of significance, is there sufficient evidence to conclude that the proportion of union members differs from 13.6%? Find the critical value , test value and make a decision.

Expert Solution

orchestra answered 1 year ago

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Problem # 9: Nationwide, the average salary of actuaries who achieve the rank of Fellow is...

Problem # 9: Nationwide, the average salary of actuaries who achieve the rank of Fellow is $151,000. An insurance executive wants to see how this compares with Fellows within his company. He checked the salaries of 12 Fellows and finds the average salary to be $156,000 with the standard deviation of $10,000. Can he conclude that Fellows in his company make more than the national average, using 0.01 level of significance? Find the test value.

The local Chamber of Commerce would like to estimate the average hourly wage for union workers...

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1. A random sample of 100 construction workers found that the average monthly salary was $21,310...

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