Q5. For a time study of a health insurance claims-adjusting process, the analyst recorded the times....
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Q5. For a time study of a health insurance claims-adjusting process, the analyst recorded the times. The job is divided into four work elements, as shown in table. What is the appropriate sample size for estimating the time for work element 3 within 4 percent of the true mean with 95 percent confidence? (Z table is given on the last page.) (15 pts) Work Element 1. Check from completion and signatures 2. Enter claim amounts, check math 3. Determine proportion of claim to be disallowed 4. Generate form letter, enter data for check A) 4 B) 7 C) 15 D) 37 E) 49 1 0.6 1.2 3.2 2.7 NO 2 0.5 1.7 2.8 2.5 Time (min) 3 0.7 1.8 3.0 2.2 4 0.5 0.9 3.4 1.7 5 1.0 1.3. 2.9 2.7 Q5. For a time study of a health insurance claims-adjusting process, the analyst recorded the times. The job is divided into four work elements, as shown in table. What is the appropriate sample size for estimating the time for work element 3 within 4 percent of the true mean with 95 percent confidence? (Z table is given on the last page.) (15 pts) Work Element 1. Check from completion and signatures 2. Enter claim amounts, check math 3. Determine proportion of claim to be disallowed 4. Generate form letter, enter data for check A) 4 B) 7 C) 15 D) 37 E) 49 1 0.6 1.2 3.2 2.7 NO 2 0.5 1.7 2.8 2.5 Time (min) 3 0.7 1.8 3.0 2.2 4 0.5 0.9 3.4 1.7 5 1.0 1.3. 2.9 2.7
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