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The city of Valparaiso seeks to build a large water reservoir to serve its fast growing population. It has been estimated that the new steel structure will have an initial construction cost of $3M and an operating cost of $0.5M annually. The maintenance cost is expected to be $0.1M for the first 5 years and will grow at an annual rate of 1% until the end of its 30-year service life. The cost of demolition is $1.5M and the demolished structure can be sold as scrap metal for $0.5M. Determine the life-cycle cost of the planned structure.
If you select a random sample of 200 children and observe the number of diagnostic services each of them receives, what is the probability that the mean number of diagnostic services is more than 1.72?
in a survey of 1116 people 866 people said that they voted in a recent presidential election voting records show that
Shows a sample mean of 1,261 with a standard deviation of 59. Should Pennsylvania adopt the new system for all toll roads in the state?
Now suppose 3 of his customers want the same ring, and they will go to another store if its already been sold. Would it be appropriate to use the binomial distribution under these conditions? Why or why not?
What is the dependent variable? is the dependent variable and determine the correlation coefficient. Coefficient of correlation
test scores for a statistics class had a mean of 79 with a standard deviation of 4.5. test scores for a calculus class
The manufacturer of a new line of ink jet printers would like to include as part of their advertising the number of pages a user can expect from a print cartridge.
Fit a linear regression model for bp against sodium. Do you think this is a model with a good fit? Why?
for each of the following combinations of values decide whether the combination is possible or impossible and if its
Suppose the world series is about to begin. Some people get together and each decide to predict different win-loss patterns for the seven possible games during the coming series.
a recent report indicated an average family of four 2 parents and 2 children under the age of 16 spends 500 per month
Write a 700- to 1,050-word executive memo that explains the required reporting for defined contribution, defined benefit, and other postretirement plans. Also include an explanation of what must happen for the two segments to be eliminated.
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