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Discuss the role of sensitivity analysis in LP. Under what circumstances is it needed, and under what conditions do you think it is necessary?
Solve problem graphically1. Describe optimal solution and objective function value in context of the problem.
The mean amount of time a (unnamed) computer server is down is 18.3 minutes with a standard deviation of 5.7 minutes.
The probability that Pete will catch fish when he goes fishing is .8. Pete is going to fish three days next week. Define the random variable x to be the number of day Pete catches fish. (hint. binomial distribution)
Find the value of q-hat from proportion and degrees of freedom used to find the t-score.
Develop a 99% confidence interval for the population proportion.
Find a 99% confidence interval for the difference in the mean number of calls between night and day.
If a worker is chosen at random, what is the probability that he or she.Is very improbable to switch jobs. Is somewhat likely or very likely to switch jobs.
Formulate the hypotheses that can be used to test the validity of the brokerage firm executive's claim.
Use the Empirical Rule to estimate the proportion of costs within two standard deviations of the mean. What are these limits?
Findout the margin of error for this survey if we want a 99 percent confidence in our estimate of the percent of adults over 50 who take vitamin supplements.
Use a 0.05 significance level to test the claim of a cereal lobbyist that the mean for all cereals is less than 0.3g.
Use suitable one or two sided test for null hypothesis of no difference in them then changes rating between groups at 0.10 significance level.
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