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Unformatted text preview: Problems on Discrete Distributions 1. It is estimated that one out of 10 widgets supplied to a manufacturer is defective. Suppose a random sample of 20 is chosen from a very large batch of these widgets. What is the probability that the sample contains no more than one defective widget? Assume that the number of defectives follows a binomial distribution. 2. A manufacturer of heating elements for water heaters ships boxes that contain 100 elements. A quality-control inspector randomly selects a box in each shipment and accepts the shipment if there are 5 or fewer defective heating elements in the box. Assuming that the manufacturer has had a rate of 6% defective items, what is the probability that the shipment of heating elements will pass the inspection?...
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This note was uploaded on 09/22/2011 for the course MECH 2110 taught by Professor Clark,b during the Spring '08 term at Auburn University.
- Spring '08