There is a 30% probability of a below average economy and a 70% probability of an average economy. If there is a below average economy stocks A and B will have returns of -3% and -4%, respectively. If there is an average economy stocks A and B will have returns of 6% and 18%, respectively. Calculate the expected returns and standard deviations of stocks A and B.

After jeff bezos read about how the internet was growing by 2,000 percent a month, he set out to use the internet as a new distribution channel and founded amazon, which is now the world's largest online retailer. this is clearly an example of a(n)a. firm that uses closed innovation. b. entrepreneur who commercialized invention into an innovation. c. business that entered the industry during its maturity stage. d. exception to the long tail business model

Each row in a database is a set of unique information called a(n) table. record. object. field.

How do the percentages of the 65 customer satisfaction ratings in that actually fall into the intervals [formula62.mml ± s], [formula62.mml ± 2s], and [formula62.mml ± 3s] compare to those given by the empirical rule? do these comparisons indicate that the statistical inferences you made in parts b and c are reasonably valid? (round your answers to the nearest whole number. omit the "%" sign in your