Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the distribution of the students:   Language Spanish   French   German   All Others   None   Probability 0.21 0.1 0.04 0.04 0.61 (a) What is the probability that a randomly chosen student is, in fact, studying a language other than English?     ANSWER   (b) What is the probability that a randomly chosen student is studying French, German, or Spanish?     ANSWER   (c) What is the probability that a randomly chosen student is studying a language besides English, but not German?     ANSWER

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
Problem 64E
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Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the distribution of the students:

 

Language Spanish   French   German   All Others   None  
Probability 0.21 0.1 0.04 0.04 0.61

(a) What is the probability that a randomly chosen student is, in fact, studying a language other than English?
    ANSWER  

(b) What is the probability that a randomly chosen student is studying French, German, or Spanish?
    ANSWER  

(c) What is the probability that a randomly chosen student is studying a language besides English, but not German?
    ANSWER  

 

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