Econ 221 Assignment I
Part A
In a survey of top executives, it was found that 46% had either traveled internationally on business or
could fluently speak a foreign language.
The probability that an executive who had not traveled
internationally could speak a foreign language was 10%.
It was found that only 4% of the executives had
traveled internationally and could speak a foreign language.
1. What is the probability that an executive who speaks a foreign language has not traveled
internationally?
2. What is the probability that an executive who has traveled internationally speaks a foreign
language fluently?
3.
What is the probability that an executive has not traveled internationally?
4.
What is the probability that an executive who speaks a foreign language fluently has traveled
internationally?
5.
What is the probability that an executive does not speak a foreign language fluently?
6. What is the probability that an executive has traveled internationally and could not speak a
foreign language fluently?
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview.
Sign up
to
access the rest of the document.
 Fall '08
 DASTAN
 Foreign Language, Standard Deviation

Click to edit the document details