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1. MSI is considering two investment strategies:
a. 50 percent in Project A and 50 percent in project B (Portfolio A/B)
b. 50 percent in Project A and 50 percent in the S&P 500 Fund (Portfolio A/S&P)
Compare the risk of the two portfolios. Why does the risk differ?
the pearson product-moment correlation coefficient r requires that variables be measured with .a. an interval or ratio
1) A random sample of 18 purchases showed the amounts in the table? (in $). The mean is ?$46.81 and the standard deviation is ?$24.47
Suppose that out of 1500 first year students at a certain college 350 take history,300 take mathematics and 270 take both history and mathematics. How many first year students take history or mathematics.
from 8 names on a ballot a committee of will be elected to attend a political national convention. how many different
For each potential customer entering an auto showroom, the type of vehicle desired is recorded. Table shows data for the past week, together with percentages.
For a normal distribution with a mean of 290 and a standard deviation of 40, what is the Z value (distance from the mean) for a random value to be 113?
Solve the following problem for distribution with a mean 80 and standard deviation of 10. Find out at least what percentage of values will fall between 60 and 100.
The average hourly wage of workers in a fast food restaurant is $5.85 with a standard deviation of $0.35. Assume that the distribution is normal.
Administrative staff based at a business school in the UK are advised to take a 15 minute break from their personal computer after working on it for 90 minutes continuously. A random sample of 36 staff revealed that, one average a break was taken aft..
Sampling bias Your instructor will now place the true average area of the rectangles on each of the plots.
Find the marginal PMF pY (y). Hint: One possibility is to start with the answer to part (c), but the algebra can be messy. But if you think intuitively about the procedure that generates Y , you may be able to guess the answer.
q1. considerthedataset123456789a. obtainthemeanandthemedianofthedata. whatistheshapeofthe distribution?b.
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