Question
The following table shows the stock market performance of 40 industries from five sectors of the U.S. economy as of noon on September 11, 2015.
The following table shows the stock market performance of 40 industries from five sectors of the U.S. economy as of noon on September 11, 2015. (Take S to be the set of all 40 industries represented in the table.)
| Increased (X) | Decreased (Y) | Unchanged (Z) | Totals | |
|---|---|---|---|---|
| Financials (F) | 3 | 4 | 1 | 8 |
| Manufacturing (M) | 8 | 3 | 3 | 14 |
| Information Technology (T) | 6 | 1 | 0 | 7 |
| Health Care (H) | 4 | 1 | 1 | 6 |
| Utilities (U) | 3 | 1 | 1 | 5 |
| Totals | 24 | 10 | 6 | 40 |
Calculate
| n(M Y) |
| n(Y) |
.
| n(M Y) |
| n(Y) |
=
What does the answer represent?
a.This is the fraction of industries that decreased that were from the health care sector.
b.This is the fraction of industries that decreased that were from the information technology sector.
c.This is the fraction of industries that decreased that were from the financials sector.
d.This is the fraction of industries that decreased that were from the manufacturing sector.
e.This is the fraction of industries that decreased that were from the utilities sector.
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Entrepreneurial Financial Management An Applied Approach
Authors: Jeffrey R Cornwall, David O Vang, Jean M Hartman
5th Edition
0367335417, 978-0367335410
