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A certain type of injury has tangible costs of $40,000 per occurrence and intangible costs of $150,000 per occurrence. Injury frequency is .05 per year but would be reducible to .01 per year with the installation of a new guarding system. Calculate the annual benefit the new system provides.
A certain company estimates that implementation of a safety glasses policy will cost $8000 per year. Eye injuries are rare in this plant, but 2 have occurred over the past five years at a cost of $50,000 each including direct costs and estimated hidden intangible costs. It is believed that the proposed safety glasses policy will reduce the hazard of eye injuries by 75%. If interest and inflation are ignored, the $20,000 actual cost is assumed to be typical of eye injury costs.
Perform a cost/benefit analysis to weigh the benefits of the proposed safety glasses policy against its expected costs.
If one invested in Stock A, Determine standard deviation of percentage return?
State the hypotheses for a right-tailed test.
Regression equation Credits=15.4-.07. Select the correct statement. Increase in number of hours worked per week increases the expected number of credits.
Given the following data, calculate the EMV for each investment alternative. Which is best based on the EMVs you calculated?
Would the method described above be a good way to determine which team was taller (explain why or why not)?
Can we conclude that there is a positive association between the size of the home and the selling price? Use the .05 significance level.
To test the difference between two means using two mean z test.
At a large department store, the amount a shopper spent and the shopper's gender (male or female) were recorded. To determine if gender is useful in explaining the amount of money a shopper spends at the store we could
Findout the percentage of trainees earns less than $900 a month utilizing normal distribution.What percentage of trainees earns less than $900 a month?
At the .10 significance level, can we conclude that there is a difference in the amounts quoted?
Suppose that the two lists are combined to produce a new list of 18 values. What is the average (mean) of this new list?
Suppose that an IQ test was given to a large group of persons, the scores are assumed to be from a normally distributed population, that mean = 100 and s (standard deviation) = 15.
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