Problem: Foreign-language study. Choose a student in a U.S. public high school at random and ask if he or she is studying a language other than English. Here is the distribution of results:
Language
|
Spanish
|
French
|
German
|
All other
|
None
|
Probability
|
0.30
|
0.08
|
0.02
|
0.03
|
0.57
|
(a) Explain why this is a legitimate probability model.
(b) What is the probability that a randomly chosen student is studying a language other than English?
(c) What is the probability that a randomly chosen student is studying French, German, or Spanish?