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Citigroup, Inc., is a major financial services company based in New York. It suffered huge losses during the global financial crisis and was rescued in November 2008 in a massive bailout by the U.S. government. Consider the following table, representing the net revenue and net income of Citigroup for 2006 to 2009. Both variables are measured in billions of dollars.
a. Compute and interpret the simple price index for net revenue, using 2006 as the base year.
b. Compute and interpret the simple price index for net income, using 2006 as the base year.
let x and y be i.i.d.unif01and let wx-y.a find the mean and variance of w without yet deriving the pdf.b show that the
Given below is the rate of return for one year (reported in percent) for the sample of 12 mutual funds. Using .05 significance level is it sensible to conclude that mean rate of return is more than 4.50 percent?
1. find the probability distribution for x the sum of a fair four sided die and and fair sixsided die. b for x from
Other than using t instead of z, what other differences are there between constructing a z-interval and constructing a t-interval?
in 1988 the mean expenses for college were 8000 with a standard deviation of 800. if 40 students were selected at
Develop a probability distribution for the number of travelers who plan their trips within two weeks of departure.
If the Pearson Correlation is 0.18, what do we get, what is the value called, and what does it tell us?
The question about the importance of religion in Example was asked in a survey of elementary statistics students at Penn.
No Gulf View condominium with a list price of $285,000. What is your estimate of the final selling price and number of days required to sell each of these units?
Causal relationship between voter policy preferences and the voting behaviour of members of congress. What questions would you want to ask before you took this assertion seriously?
Test for single mean - What do you conclude - Compute z and P
Random sample of 100 pieces of wire and wants to see if the thickness of a batch of wire meets minimum specifications. Assume that the population mean is 0.45 inch, with a standard deviation of 0.03 inch.
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