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At a state political rally, a spaker announced "we should raise test scores so that the students are above the state median". How would you analyze this statement?
Statistics and Probability, Statistics
Calculate the standard deviation of a portfolio consisting of 40 percent stock X and 60 percent stock Y. Company Beta Expected Return Variance Covariance X 1.8 0.18 0.30 COVx,y=0.080 Y 2.6 0.22 0.04 Round to the nearest ...
A company making refrigerators strives for the internal temperature to have a mean of 37.5 degrees with a standard deviation of 0.6 degrees, based on samples of 100. A sample of 100 refrigerators have an average temperat ...
Shekhar plans to invest $1,820 in a mutual fund at the end of each of the next six years. If his opportunity cost rate is 8 percent compounded annually, how much will his investment be worth after the last annuity paymen ...
A gambler plans to play the casino dice game called craps, and he plans to place a bet on the "pass line." Let A be the event of winning. Based on the rules used in almost all casinos, P(A) = 244/495. Describe the event ...
Future Value of an Annuity What is the future value of a $470 annuity payment over 7 years if the interest rates are 6 percent?
According to an article in the American Heart Association's publication Circulation, 24% of patients who had been hospitalized for an acute myocardial infarction, did not fill their cardiac medication by the seventh day ...
1) Approximately 20% of corporate workforce are not happy with their immediate bosses. Suppose 10 workers working in corporates are randomly selected. a) What is the probability that everybody of them is happy with his i ...
In a pre-election poll, a candidate for district attorney receives 379 of 750 votes. Assuming that the people polled represent a random sample of the voting population, test the claim that a majority of voters support th ...
Your Company is considering a new project that will require $18,000 of new equipment at the start of the project. The equipment will have a depreciable life of 5 years and will be depreciated to a book value of $3,000 us ...
If net income in 2012 = $956, and if the following changes occur between 2011 and 2012, compute Net Cash Flow from Operating Activities for 2012: Accounts receivable change from $157 to $237 Gross fixed assets change fro ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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