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The marketing department has been given the assignment of designing color codes for the 44 different lines of compact disks sold by Goody Records. Three colors are to be used on each CD but a combination of three colors used for one CD cannot be rearranged and used to identify a different CD. This means that if green, yellow and violet are used to identify one line, then yellow, green, and violet (or any other combination of these three colors) cannot be used to identify another line.
Interview about attitudes toward alcohol. You have given every student at the party the same chance to be interviewed: what is the chance? Why is your sample not an SRS?
At the 0.05 significance level, can he conclude that number of absences has declined? calculate approximately the p -value.
Based on past information, for the cars used, the distance traveled by a car in a day averages 170 km with a standard deviation of 40 km. What proportion of cars used in any day travel less than 100 km?
A company wants to determine if employees have any preferences among 5 different health plans. A sample of 200 employees provided the data below.
Find the probability that the average diameter of those sand dollars is more than 4.13 centimeters. Assume that the variable is normally distributed.
A random group of apartments was selected from a city to analize the number of bedrooms they have. Is there evidence to reject the hypothesis that the apartments are equally distributed between 1 bedroom, 2 bedroom, and 3 bedroom apartments, at al..
The computer breaks down x times during t hours, it costs 50x2 dollars to fix it. How should the company select t in order to maximize the expected profit?
Assume that the process is in control and that the population of all jar fills is normally distributed. (Round the z-values to 2 decimal places and final answer to 4 decimal places. Negative amounts should be indicated by a minus sign.)
Are there any formulas or graphs for Correlational statistical procedures and Quantative research methods? I'm writing a paper and would like to throw in a few examples with explanation.
If demand is normally distributed, a basic EOQ is appropriate. a single-period model could not be appropriate. we should produce to fill demand, rather than filling it through orders.
A smuggler places 3 narcotic tablets in a bottle of 21 vitamin pills for a total of 24 pills. If U.S. customs tests 2 pills at random what is the probability that at least 1 narcotic pill will be found?
What is the probability that a cereal would both high calorie and high fiber? In other words, what is P (high calorie and high fiber)?
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