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Circuit boards for wireless telephones are etched, in an acid bath, in batches of 100 boards....

Circuit boards for wireless telephones are etched, in an acid bath, in batches of 100 boards. A sample of ten boards is randomly selected from each lot for inspection. A particular batch contains one defective board; and x is the number of defective boards in the sample. P( x = 0) is ______

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Answer #1

Here x follow binomial with n=10 and p=1/100 then we are to find p(x=0)=8c0*(1/100)^0*(99/100)^10=0.0956

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