Assignment:
When performing time study process insurance claims adjusting company doctors TripleR, Barney Rubble analyst applies the continuous method for time recording. The activity is divided into four work items.In are the rating factors (RF) performance and the times recorded by the continuous method, for each work item:
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Top of Form
Process: Processing for an insurance claim
Bottom of Form
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DATE: 05/05/05
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Observer: Pedro
Pica Piedra
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Work Item
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Observations
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t
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RF
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ð
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1
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2
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3
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4
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5
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Top of Form
Verify that forms are completed and signed
Bottom of Form
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t
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0.50
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0.55
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0.45
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0.60
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0.50
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0.52
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1.1
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0.5070
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r
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0.50
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3.30
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5.70
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8.20
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10.85
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Write the amount of the claim, review the calculations
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t
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0.20
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0.15
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0.25
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0.35
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0.25
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0.24
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1.20
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0.0742
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r
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0.70
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3.45
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5.95
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8.55
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11.10
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Determine the proportion of claims will be denied
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t
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0.75
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0.60
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0.55
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0.70
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0.65
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0.65
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1.20
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0.0791
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r
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1.45
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4.05
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6.50
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9.25
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11.75
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Generate the letter form, enter the data for the check
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t
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1.30
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1.20
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1.10
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1.10
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1.30
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1.20
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0.9
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0.1000
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r
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2.75
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5.25
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7.60
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10.35
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13.05
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Q1-Calculate the normal time required for this activity
Q2- Calculate the standard time for this activity, assuming that tolerance is20% of the normal time
Q3- What is the appropriate sample size to estimate the time corresponding to element 2 within ±10% ofthe true mean with 95% confidence?
Provide complete and step by step solution for the question and show calculations and use formulas.