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Five inspectors are employed to check the quality of components produced on an assembly line. For each inspector, the number of components that can be checked in a shift can be represented by a random variable with mean 120 and standard deviation 16. Let X represent the number of components checked by an inspector in a shift. Then the total number checked is 5X, which has mean 600 and standard deviation 80. What is wrong with this argument? Assuming that inspectors' performances are independent of one another, find the mean and standard deviation of the total number of components checked in a shift
Suppose that the demand for a product is 30 units per month and the items are withdrawn at a constant rate. The setup cost each time a production run is undertaken to replenish inventory is $15. The production cost is $1 per item, and the inventor..
a. What type of error would you make if the null hypothesis is actually false and you fail to reject it?
the question two distinct integers are chosen at random and without replacement from the first six positive integers.
To find the equation of the line of the best fit
What is the skewness statistic for "Age at Enrollment"? How would you characterize the magnitude of the skewness statistic for "Age at Enrollment"?
Translate the following statements into symbolic form using capital letters to represent affirmative English statements.- The Packers' winning most of their games implies that Aaron Rodgers is a great quarterback.
The estimated population variance of the change scores is 9. What is the standard error?
Explain a few of the following on whatever topic you choose: decision tree, decision stragety, probability, forecasting, linear programming as it relates to work, life or interset.
What is the Fed's exit strategy? Has it changed over time? Will it work? Are the size of mutual funds a problem? Explain.
Distinguish between real GDP and potential GDP and describe how each grows over time. How does the growth rate of real GDP contribute to an improved standard of
a report states that 57 of home owners had a vegetable garden. how large a sample is needed to estimate the true
A congressional committee wishes to estimate the average annual subsidy received by tenant farmers in a southern state. A random sample of 495 farms is taken, the sample mean is found to be $7,850 with a sample standard deviation of $750. Compute ..
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