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The probability that a new advertising campaign will increase sales is assessed as being 0.60. The probability that the cost of developing the new ad campaign can be kept within the original budget allocation is 0.50. Assuming that the two events are independent, the probability that the cost is kept within budget and the campaign will increase sales is:
a. 0.20
b. 0.30
c. 0.40
d. 0.65
Suppose 94 percent of the items have lives exceeding 2000 h and 3.51 percent have lives exceeding 16,240 h. Find the mean and standard deviation of the service life.
Determine the largest village in terms of the population?
The heights of 40 randomly selected people and the heights of their mothers are recorded. Statdisk is used to run a linear correlation and regression analysis. The partial results are provided below:
A Taguchi experiment is to be performed on the effects of lift, bore, stroke, and compression on engine performance with horsepower as the outcome variable. The factors were tested at each of the following levels in hopes of improving engine horse..
The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked" large" and shrimp that weigh less than 0.47 ounces each into packages marked "small"; the remainder are packed in "medium" size packages.
Suppose the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with three children will have two boys and one girl.
Steps in hypothesis test procedure - conducting a hypothesis test for some general statistic, ? say.
A sample proportion is calculated from a sample size of 394. How large of a sample would we need in order to decrease the standard error by a factor of 9?
Solution utilizing graphical method. Compute the following linear programming problem. Among which of the following points (X, Y) is not a feasible corner point.
Is there evidence that teams with higher total payrolls tend to be more successful? Justify your answer.
Complete hypothesis test using a 5% level for risk with directional research hypothesis.
If you must estimate the population mean within 10 days, how many outside salespeople should you sample? Use the 90 percent confidence level.
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