Question: I got super confused solving, please help Task 5: A medical facility does MRI scans for sports injuries. Occasionally a test yields inconclusive result and

I got super confused solving, please help

Task 5: A medical facility does MRI scans for sports injuries. Occasionally a test yields inconclusive result and must be repeated. Using the following 15 sample results for the number of retests in n - 150 observations each, determine the control limits for the proportion of retests. Use three sigma (standard deviations) limits. Is the process in control? Why/why not? (Round answers to 4 decimal places.) [4 Marks] 5 2 3 3 4 5 6 8 9 11 12 13 14 Sample: Number of retests 1 2 7 3 alon 10 5 elu 15 2 3 3 1 3 2 3 O 0 3 4 9 6 0

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