(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 0.27 0.1 0.03 0.03 0.57

(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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