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 0.25 0.07 0.03 0.04 0.61 (a) What is the probability that a randomly chosen student is, in fact, studying a language other than English? ANSWER 0.33 (b) What is the probability that a randomly chosen student is studying French, German, or Spanish? ANSWER 0.31 (c) What is the probability that a randomly chosen student is studying a language besides English, but not German? ANSWER 0.32
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 0.25 0.07 0.03 0.04 0.61 (a) What is the probability that a randomly chosen student is, in fact, studying a language other than English? ANSWER 0.33 (b) What is the probability that a randomly chosen student is studying French, German, or Spanish? ANSWER 0.31 (c) What is the probability that a randomly chosen student is studying a language besides English, but not German? ANSWER 0.32
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Question
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 0.25 0.07 0.03 0.04 0.61
(a) What is the probability that a randomly chosen student is, in fact, studying a language other than English?
ANSWER
0.33
(b) What is the probability that a randomly chosen student is studying French, German, or Spanish?
ANSWER
0.31
(c) What is the probability that a randomly chosen student is studying a language besides English, but not German?
ANSWER
0.32
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