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A manufacturer claims that their light bulbs have an average life span that follows a normal distribution with μ = 1,200 hours and a standard deviation of σ = 25.
If you randomly test 36 light bulbs and find that their average life span is X¯ = 1,150, does a .95 confidence interval for μ suggest that the claim μ = 1,200 is reasonable?
(A Refinement of the Termination Tolerance) Show that the assignment obtained upon termination of the auction algorithm is within (n-1) of being optimal (rather than n).
A director of a social agency is planning to hire temporaty staff to assist with intake. In making plans, the director needs to know whether there is any difference in the use of he agency at different seasons of the year.
A process is being controlled with a fraction nonconforming control chart. The process average has been shown to be 0.07. Three sigma control limits are used and the procedure calls for taking daily samples of 400 items.
Define Conceptualization And Operationalization With An Example
Is by used with significantly different frequency by the two writers? Explain how these results help in deciding about the 12 disputed papers.
Find the three one-dimensional marginal PDFs.- Find the three two-dimensional joint PDFs, - Find the three-dimensional joint PDF.
A random sample of 30 potential buyers yields an average maximum price of $26,500 and standard deviation $3,800. Give a 95% highest-posterior density credible set for the average maximum price a consumer would pay.
Assume that the master budget for Cannondale shows total variable expenses of $10,000. The budget was based on production of 5,000 units. Cannondale sells all units it produces.
The weekly salaries of teachers in one state are normally distributed with mean of $490 and standard deviation of $45. Determine the probability that a randomly selected teacher earns more than $525 per week?
Discuss the following questions: Of what use is intervention and prevention for this population? What needs to be done in the American justice system to combat crimes committed by the group you have chosen to study?
For death during the deferred period, can be purchased for a single premium of 2200. Calculate an exact numerical value for S.
you are planning on junking your old car after it runs an additional 30000 km. the battery on this car has just failed
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