What percent had not more than one of the defects

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Reference no: EM13250405

Certain pieces made by an acoustic lathe are subject to three kinds of defects X,Y,Z. A sample of 100 pieces was inspected with the following results:

2.1% had type X defect.

2.4% had type Y .

2.8 had typre Z

0.3 had both X and Y

0.4 had both X and Z

0.6 had both Y and Z

Then Find:

A. What percent had none of these defects.

B. What percent had at least one of these defects.

C. What percent were free of type X and/ or type Y defects?

D.What percent had not more than one of these defects?

Reference no: EM13250405

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