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Assume that you are interested in purchasing a new model of a personal computer whose reliability has not yet been perfectly established. Measure reliability in terms of the num ber of days in the shop over the first three years that you own the machine. (Does this def inition of reliability pass the clarity test?) Now assess your utility function for computer reliability over the range from 0 days (best) to 50 days (worst). Use whatever assessment technique with which you feel most comfortable, and use computer assessment aids if they are available.
question wageweb.com exhibits salary data obtained from surveys. it provides compensation information on over 170
A process yields 10% defective items. If 100 items are randomly selected from the process, what is the probability that the number of defectives (a) exceeds 13? (b) is less than 8?
The probability of a failure during the warranty period is 5%.if 90% of the connector are kept dry and 10% are wet, What proportion of connectors fail during the warranty period?
Use the average of 2001, 2002 and 2003 as the base and determine indexes for 2005 and for the preliminary 2006 data using 100 as the base value.
An industrial engineer at Lyons Products would like to determine whether there are more units produced on the afternoon shift than on the morning shift.
Determine the following probabilities: Events A and B are mutually exclusive events defined on common sample space.
Determine the minimum sample size required in order for you to be confident that your evaluate is within of? Use value for population standard deviation of scores on this subsection.
Calculate the population mean and population standard deviation.
the college is planning to add a food vender in the student union and would like to know what type of food service the
The distribution of test scores is mui=35 and a standard deviation of 15. Do students taking the supplement have significantly better memory scores? Use a one-tailed t-test with an alpha=0.05.
What is the relative frequency or empirical probability of men between 30 and 40 becoming seriously ill during a 1-year period?
the weekly demand for a product is believed to be normally distributed. compute the degrees of freedom. use ?0.10. the
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