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New Process, Inc., a large mail-order supplier of women's fashions, advertises same-day service on every order. Currently the movement of orders hasn't gone as planned, and there were large number of complaints. Bud Owens, director of customer service, has completely redone method of order handling. Goal is to have fewer than five unfilled orders on hand at end of 95 percent of working days. Frequent checks of unfilled orders at end of day reveal that distribution of unfilled orders follows Poisson distribution with mean of two orders.
a. Has New Process, Inc., lived up to its internal goal? Explain evidence.
b. Sketch the histogram representing Poisson probability distribution of unfilled orders.
Suppose you are on a test and are asked to determine whether the given experiment is binomial, Poisson, or neither. What are you going to think about to determine which test to use. Do you have a checklist? How would you approach this problem?
Research on new juvenile delinquents revealed that 38% of them committed another crime. What is the probability that 40 or fewer of the delinquents will commit another crime?
The Wilcoxon rank sum of the ranks for group and The value of the Wilcoxon signed rank statistic
In your own words, define epistemology and ontology. Why are these concepts important to the study of research? How might the concepts influence your future research?
A random sample of 90 printers discovered that 25 of them were being used in small businesses. Find the 95% limit for the population proportion of printers that are used in small buisnesses.
Plot the data, fit a trend line, and discuss the strength of prediction of the regression model.
A survey found that 85% of women in a given city enjoy shopping online. Suppose you randomly selected 6 women from the city and ask them whether or not they enjoy shopping online. Find the probability that exactly 4 say they enjoy shopping online.
Run an ANOVA using only groups 1 to 6 (You can hide group 7 from the analysis by data followed by select cases and then you filter out group 7 by if GROUP~= ). Also run the posthoc tests LSD and Bonferroni.
Determine for each variable if it is the explanatory variable, the response variable, or whether it could be both.
A study of classified advertisements in a local newspaper shows that 204 are help-wanted ads, 520 are real estate ads, and 306 are for other ads.
To decrease the amount of time it takes to deliver packages, a delivery company purchased computer software that finds the optimal route for making deliveries based upon the input of the package destinations.
Design a Linear programming problem for the flair Furniture Company and find the combination of tables and chairs that the company must produce to maximize profits.
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