A shipment of 50,000 transistors arrives at a manufacturer plant. The quality control engineer at the plant obtains a random sample of 500 transistors and will reject the entire shipment if 10 or more of the resistors are defective. Suppose that 4% of the resistors in the whole shipment are defective.
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A shipment of 50,000 transistors arrives at a manufacturer plant. The quality control engineer at the...
7.30 A quality-control inspector rejects any shipment of printed circuit boards whenever 3 or more defectives are found in a sample of 100 boards tested. Find the (1) expected number defective and (2) the probability of rejecting the shipment when the proportion of defectives in the entire shipment is (a) Proportion of Defectives-0.01 Expected Number Defective- Probability of Rejecting the Shipment (b) Proportion of Defectives-0.05 Expected Number Defective- Probability of Rejecting the Shipment- (c) Proportion of Defectives 0.1 Expected Number...
A quality engineer takes 40 subgroups of 100 transistors each from the output of an assembly line. Each transistor is tested and the number of defectives in each sample is recorded. The average proportion (fraction) defective is .0255. The lower and upper control limits for the p chart are a. 0 and 0.100 b. 0.010 and 0.0413 c. 0 and 0.057 d. 0 and 0.0728 e. 0.001 and 0.050
4. Susan is in charge of quality control at a small fruit juice bottling plant. Each bottle produced is supposed to contain exactly 12 fluid Ounces (fl oz) of juice. Susan decides to test this by randomly sampling 30 filled bottles and carefully measuring the amount of juice inside each. She will recalibrate the machinery if the average amount of juice per bottle differs from 12 fl oz at the 1% significance level. The sample of 30 bottles has an...
4. Susan is in charge of quality control at a small fruit juice bottling plant. Each bottle produced is supposed to contain exactly 12 fluid Ounces (fl oz) of juice. Susan decides to test this by randomly sampling 30 filled bottles and carefully measuring the amount of juice inside each. She will recalibrate the machinery if the average amount of juice per bottle differs from 12 fl oz at the 1% significance level. The sample of 30 bottles has an...