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A business currently has a business intelligence tool called WebFocus in a production environment (supporting end users). Cost to maintain WebFocus is $313,832 per year in software maintenance fees and other associated costs to include helpdesk support and other labor.
The business wants to migrate from WebFocus to Oracle Discoverer in order to take advantage of an existing enterprise license agreement so that no license cost is incurred by using Oracle. The only costs to the business will be a one time conversion cost of $500,000 to duplicate existing reports current in WebFocus to an Oracle format and other minor jobs. Expected maintenance costs for Oracle Discoverer are $230,000 for one full time senior engineer on staff for years 2 and forward.
What is the payback period for implementing Oracle Discoverer? Assume that WebFocus will be in-place until December 31 and the migration to Oracle will be done concurrently and is expected to be completed and operational by Dec 31 as well. WebFocus will be discontinued as of Dec 31.
Using smoothing constant of w = .80, compute the value of exponentially smoothed series in 1983.
Create a scatter plot for the data. Determine the correlation coefficient for the data.
Explain why we need to use the t distribution. What assumption do you need to make?
Construct a stem and leaf plot of the income. what do you predict about the shape of the population distribution. complete the following sentence. Fifty percent of the data falls below $ ______.
There is no proof the new policy is more effective, but we cannot finish the policy has no effect on smog. Interpretation of P-value for the given context.
Findout the 98% confidence interval for true mean. Findout a 98% confidence interval for the cigarette tax in all 50 states.
The mean top of knee height of a sitting mate is 20.7 in.
Given the same significance level, a ________ value of t will be required to reject the null hypothesis compared to the value of z required for rejection.
Thirty-two samples of 8 items each were collected from a process. The average sample mean is 12 and the average range is 0.10.
You play a game with two possible outcomes. Outcome A has probability 0.4 and outcome B has probability 0.6. When B occurs you win $2.00; otherwise, you lose $1.00. What is your expected value for this game?
What is the population mean? What is the best estimate of that value?
what is the sampling distribution model of the percent passing developmental courses for your campus in Fall 2009 and provide the percentages between which we would expect to see 68% of the sampling distribution, 95% of the sampling distribution
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