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A warehouse distributor of carpet keeps 6000 yards of deluxe shag carpet in stock during a month. The average demand for carpet from the stores that purchase from the distributor is 4500 yards per month, with a standard deviation of 900 yards. what is the probability that a customer's order will not be met during a month?
WHich sampling method from the choices listed above would be best? Describe how you would carry out your chosen sampling method of a student from part (a)
What was the purpose of calculating a Cohen's d? When is a Cohen's d calculated? Interpret d=.90. What does it mean in this example?
Find the probability that a) an individual graduate will have a salary over $45000 and b) A group of nine graduates will have a group average over $45000.
Pollsters just report the results of hypothesis tests that show statistical significance but not those in which there was insufficient evidence.
This semester a sample of 55 students revealed an average cost of books of $415 per student. The Dean of Students believes that the costs are greater this semester. What is the test value for this hypothesis?
A female student wants to determine whether or not students at the college like the cafeteria's food. Why might the results of this survey be inaccurate?
A mortgage department of a large bank is studying its recent loans. Of particualr interest is how such factors as the value of the home (in thousands of dollars), education level of the head of the household, age of the head of the household, curr..
Group of businesswomen wish to open a high fashion boutique in a vacant store but only if the average income in the area is at least $45,000. Use alpha=0.01 to test whether or not the businesswomen should open their boutique in this neighborhood.
What is the probability that the contaminated can is selected for testing?
At a 0.05 level of significance, determine if there is a significant difference in the mean weekly units of production for the three types of work schedules (perform all six steps of hypothesis testing and show the ANOVA table).
Show that someone will think that the claim has more than a fifty percent chance of being true if p > q / (1 + q). Explain.
This set of height measurements are recorded in centimeters. Answer the following questions using the Histogram Applet. Is 1.7cm a Plausible mean value? Explain.
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