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Plastic sheets are manufactured on your blown film line. The Cp value is 1.7. You sell the plastic sheets to your customers with specification of 2 mm ± 0.4 mm.
1. List three important assumptions you must make to interpret the Cp value.
2. What is the theoretical process standard deviation, σ?
3. What would be the Shewhart chart limits for this system using subgroups of size n = 4?
4. Illustrate your answer from part 2 and 3 of this question on a diagram of the normal distribution
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three cards are randomly selected without replacement from an ordinary deck of 52 playing cards. compute the
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the price of oranges each week in the wal-mart is normally distributed with a mean micro of 37.8 cents per pound and a
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Find the 90% confidence interval of the true mean weight of all college wrestlers. If a coach claimed that the average weight of the wrestlers on the team was 310, would the claim be believable?
a jury of 6 persons was selected from a group of 20 potential jurors of whom 8 were african american and 12 were white.
A farmer in South Carolina must decide which crop to plant next year on his land: corn, peanuts, or soybeans. The return from each crop will be determined by whether a new trade bill with Russia passes the Senate.
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