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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?
Calculate intrinsic carrier concentrations in Ge at temperatures 293 K (room temperature). J73 K (boiling point of water), and 253 K (wittier in Minnesota). Compare the results and formulate conclusions about the temperature dependence of carrier ..
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a train pulls away from a station with a constant acceleration of 0.43 ms2. a passenger arrives at a point on the
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