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Mike works in a quality at a well known saw blade company. An inpsector on his team has uncovered an issue with the kerf dimension on the bandsaw blade line. Mike conducts a sampling study and finds 7% of the bandsaw blades are out of spec.
Unfortunetly, a shipment of 25 bandsaw blades left the plant about 3 hours before the issue was When Mike calls his customer receiving the bandsaw blades, he learns that they are needed for a rush job. However, the customer tells Mike that he will only need 20 of the bandsaw blades right away. The remaining 5 would only be needed if there were a need to replace a damaged bandsaw blade.
Mike plan to send more bandsaw blades, but they will arrive a day later. He is concerned there may
For the lot of 25 bandsaw blades, what is the probability that more than 5 of the blades will be defective?
P (x>5) =
(Express answer in percentage)
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Let z represent the standard normal variable and suppose a value is randomly selected. Find each of the following probabilities by:
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In this problem set you will get some practice performing a linear regression analysis. If you use Statdisk or Excel to perform any portion of these analyses, please include the results, label them, and refer to them accordingly in your interpreta..
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Find a 90% confidence interval for the mean amount left by all groups.
For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%.
To estimate the mean of the population from sample information, we need to calculate the standard deviation of the distribution of the sample means around the population mean.
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