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A power company is considering damming a river that has a steady flow rate of 175 m3/s. At the location where the dam will be installed there is a potential elevation change of 80 m.
A) What is the maximum (ideal) amount of power that could be generated by this dam?
B) The best turbine that can be used has an efficiency of 90%, and the best generator has an efficiency 97%. How much electrical power could be output to the electric grid using these?
Library staff has reported that much of the time the study rooms are empty, despite a full booking sheet. Frame a research question and state the objectives of the study.
Find the 90% confidence interval for the standard deviaiton of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed.
Construct a 95 percent confidence interval for the mean number of misspelled words in the population of student essays.
What are the main drivers of uk banks' profitability? what are the implications of increased concentration in the uk banking market? what were the main recommendations of the cruickshank report and how did the industry respond?
Wwhat are our h0 and ha ? (c) compute zobt.(d) with a= .05, what is zcrit? (E) do we have evidence of a relationship in the population? if so describe the relationship.
F (x) : 2. Find mean , variance 2; and standard deviation Of continuous r.v. Let X equal weight of a randomly selected quarter-pounder in pounds. What is P (0:20
You own a $46,000 portfolio comprised of four stocks. The values of stocks A, B, and C are $5,600, $16,700, and $11,400, respectively. What is the portfolio weight of stock D?
A professor is targeting a score of 80 on an exam. His forty-nine students averaged 78 on an exam with s = 7. Are the scores significantly less than 80 at a significance level of 0.05?
a. How many of the individuals selected in your sample are female? b. How is the stratified sample different from the SRS?
please help - an aircraft manufacturing company is designing a new passenger seat.an aircraft manufacturing company is
I have computed an analysis of variance for three groups with 10 observations per group. Evaluate the degrees of freedom for the F test
An averages of four tax evaders per 100 tax filers. If 50 tax filers are randomly selected from the state, what is the probability of the following:
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