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##### Four STATS Problems Assignment

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Question;1. A producer of contact lenses regularly takes samples of 100 lenses and inspects them for scratches. If a lens has a single scratch, it cannot be sold. The results of 10 samples are shown below:SAMPLE# 1 2 3 4 5 6 7 8 9 10# SCRATCHED 3 2 0 1 2 2 1 0 1 2What sample is out of control?2. The diameter of a mason jar is 3 inches but can be as large as 3.03 inches and as small as 2.97 inches. Samples of mason jars show that these components have a grand mean of 3.01 inches and a standard deviation of 0.02 inches. What is the probability of producing a bad product?3. A product is made up of two subsystems in parallel. Subsystem one consists of ten elements in series each with a failure rate of 1/100. The second subsystem consists of 5 elements in series each with a failure rate of 1/200. What is the overall reliability of the system?4. The upper and lower specifications for metal head plates are 5 +/- 0.1 cm. Samples of the metal head plates yields a process mean of 5.05. We know that the population standard deviation is 0.04. What is the population capability index?

Paper#61525 | Written in 18-Jul-2015

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