(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

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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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