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Replacement times for CD players are normally distributed with a mean of 7.1 years and standard deviation of 1.4years. Find the probability that a randomly selected CD player will have a replacement time less than 8.0years?
The average pay per hour for an employee in the packaging and shipping department of XYZ Corporation is $12.88 with a standard deviation of $0.95. Assume normal distribution applies
Advise you about the variables to remove to make factor analysis possible - Factor analysis needs
Suppose that the lifetimes of tires of a certain brand are normally distributed with a mean of 75,000 miles and a standard deviation of σ miles. These tires come with a 60,000-mile warranty. The manufacturer of the tires can adjust σ during the produ..
A study of the nutrition of dialysis patients measured the level of phosphorus in the blood of a patient on 30 occasions. The mean phosphorus level for this patient was 5.2 mg/dl and a population standard deviation for all dialysis patients of 1.0 m..
Find the optimal location for Oliveira's two distribution centers in this expanded version of the problem. What is the optimal value of the objective function
In the above table, households are classified according to whether they planned to purchase and whether they actually purchased big-screen televisions. Draw the Decision Tree for this example.
How many standard deviations away from the mean is her age?
Two teams Arrogant and Overconfident are participating in a cricket tournament. The odds that team Arrogant will be champion is 5 to 3, and the odds that team Overconfident will be the champion is 1 to 4. What are the odds that either Arrogant or tea..
There is an old belief that red cars get pulled over for speeding more frequently than cars of other colors. To test whether in fact there is any difference in speeding (as opposed to just biased enforcement), a random sample of red cars and non-red ..
Construct a frequency distribution of grouped scores with approximately 11 intervals.- Construct a histogram of the frequency distribution constructed in part a.
Political polls typically sample randomly from the U.S population to investigate the percentage of voters who favor some candidate or issue. The number of people polled is usually on the order of 1000. Suppose that one such poll asks voters how they ..
Create the indicator variables, the raw data does not include these - calculate a difference in the gscores between the consecutive rows; this is how we know if the Gleason score has increased since the last biopsy, which is one of the indicators f..
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