ACM Manufacturing employs production staff to assemble thousands of printers daily. Samples of the work of...

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ACM Manufacturing employs production staff to assemble thousands of printers daily. Samples of the work of 10 production staff are shown in the following table. Fifty printers that were assembled by these staff were carefully examined and the errors found were counted. The fraction defective of each sample was then computed. Staff Numbers 1 2 3 4 5 6 7 8 9 10 Fraction 0.07 0.06 0.05 0.03 0.05 0.04 0.06 0.05 0.05 0.04 Defective (d) Based on the above information, calculate the average fraction defective. ACM Manufacturing employs production staff to assemble thousands of printers daily. Samples of the work of 10 production staff are shown in the following table. Fifty printers that were assembled by these staff were carefully examined and the errors found were counted. The fraction defective of each sample was then computed. Staff Numbers 1 2 3 4 5 6 7 8 9 10 Fraction 0.07 0.06 0.05 0.03 0.05 0.04 0.06 0.05 0.05 0.04 Defective (d) Based on the above information, calculate the average fraction defective.