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A market research is available for $10,000. Using a decison tree analysis, it is found that the expecyed monetary value with no survey is $62,000. If the expected value of sample information is -$7,000, what is the expected monetary value with the survey?
multiple choice:
a. $45,000b. $62,000c. -$17,000d. $55,000e. none of the above
Using the internal rate of return as a decision criterion, determine whether or not this proposal should be accepted.
To find the necessary sample size to achieve the given level of accuracy of prediction.
Calculate the sample correlation coefficient by hand. By use of a spreadsheet calculate the sample correlation coefficient.
The times it takes workers to complete a task at a certain assembly plant are normally distributed with mean = 10 minutes and standard deviation = 2 minutes.
For any hypothesis test, if the value of a parameter being tested falls outside the confidence interval for the same level of a, the correct decision is to reject the null hypothesis. Is this True or False?
The national average SAT score is 1019. If we assume a normal distribution with σ = 90, what is the 90th percentile score? What is the probability that a randomly selected score exceeds 1200?
Use differential to approximate square root of 16.3
A medical doctor wishes to test the claim that the standard deviation of the systolic blood pressure of deep sea divers is less than 450. To do so, she selected a random sample of 20 divers and found s = 432.
Bring to mind a research question that interests you, or a current event that utilizes statistics to present results, that you can use as an example for this discussion. State the research question or the current event and results.
Super Cola Bottles soft drinks labeled "net weight 16 ounces." An overall process average of 16.01 ounces has been found by taking several batches of samples, in which each sample contained 5 bottles.
As a result of an increase in demand for a town's parking facilities, the owners of a car park are reviewing their business operations. A decision has to be made to choose one of the following options:
The standard for this material requires that impact strength must be greater than 1.0ft-lb/in. The sample average and standard deviation obtained were 1.25 and 0.25 respectively.
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