Determine cost of removing to nearest dollar
Assume the cost benefit model is provided by f(x)=6.9x/(100-x), where y is cost in thousands of dollars for removing x percent of the given pollutant. Determine cost of removing 35% to nearest dollar.
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60% of Americans oppose the legalization of marijuana. Assume a random sample of 6 Americans is taken.
The 17 cm by 21 cm retangular garden is to have the gravel path of uniform width bordering it. How wide is path if total area covered by garden and path is 525cm^2.
Three basketball players each shoot 10 foul shots. Player A makes 6 shots, player B makes 8, and player C makes 6.
The following confidence interval is obtained for the population proportion, p: (0.834, 0.856). Employ these confidence interval limits to find the margin of error, E.
Assume the average lifetime of a car is 15 years and the lifetime follows the exponential distribution. Determine the probability that the car lasts 20 years
A survey of 1257 student loan borrowers found that 438 had loans totaling more than $20,000 for their undergraduate education. Give a 98% confidence interval for the proportion of all student loan borrowers who have loans of $20,000 or more for th
The rancher has 288 feet of fencing to enclose two adjacent retangular corrals. What dimensions will make largest total area? Determine maximum total area?
Based upon these survey data, is it reasonable to conclude that more than three-quarters of adult Americans plan to change their shopping habits if gas prices remain high? (Use ? = 0.01. For z round the final answer to two decimal places. For P gi
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