In a sample of 100 pcs of item 'x' 10 are defective and in a sample of 90 pcs of item 'y' 6 are defective.check whether defective pcs of item 'x' is greater than item 'y' at a significance level of 0.10
Asked by RyanRobert | 2nd Feb, 2014, 08:28: PM
Expert Answer:
Probability of defective item from a sample of 100 pcs =
Probability of defective item from a sample of 90 pcs = 
Here,
Probability of defective item from a sample of 100 pcs =
Probability of defective item from a sample of 90 pcs =
Here,
Answered by | 3rd Apr, 2014, 10:50: AM
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