1。An analyst for BYG Investments Inc. is attempting to estimate the dispersion of quarterly GDP growth in the Korean economy for the last 60 years. He has collected the 240 observations of GDP growth but is unsure of the best method to visually demonstrate the dispersion of his sample data. Which of the following best shows the dispersion of a sample distribution?
A. covariance
B. Histograms
C. Times series plots
2。Victor Claus CFA, is the energy analyst for Mercury Brokerage firm, Claus is evaluating a potential major new natural gas discovery of HRF Energy. A consultant hired by Mercury predicts the well will flow at 4 million cubic feet (mmcf) of natural gas per day. The consultant's prediction carries a standard deviation of 0.8 mmcf per day. What is the probability that the well will flow at greater than 5 mmcf per day?
A. 7.5%
B. 10.6%
C. 14.7%
Tanks a lot. |
发表于 2013-9-12 20:14
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