Conditional Probabilities

Question 1

A survey of students at a large high school reveals that 59% of the students are studying a language other than English. The options for language study at the school include Spanish, French, Japanese, and American Sign Language (ASL). Currently, 6% of the students who study a language other than English are studying ASL.Suppose we select a student from the survey at random. Given that the student is studying a language other than English, what is the probability that the person is studying ASL?

Revolt · Accepted Answer

0.102

Question 2

0.546 ✔ 0.589 0.981

Revolt · Accepted Answer

✔ 0.589

Question 3

0.546 0.589 ✔ 0.981

Revolt · Accepted Answer

✔ 0.981

Question 4

Suppose we select a resident of the apartment building at random.

Revolt · Accepted Answer

✔ cat; The probability that a randomly selected resident owns a , given that the person also owns a , is equal to approximately .: cat; The probability that a randomly selected resident owns a , given that the person also owns a , is equal to approximately .: dog; The probability that a randomly selected resident owns a , given that the person also owns a , is equal to approximately .: 0.90

Question 5

✔ dogcat

Revolt · Accepted Answer

✔ dog

Question 6

0.27 0.519 ✔ 0.90

Revolt · Accepted Answer

✔ 0.90

Question 7

Suppose we select a resident of the apartment building at random.

Revolt · Accepted Answer

The probability that a randomly selected resident owns a , given that the person also owns a , is equal to approximately .: dog; The probability that a randomly selected resident owns a , given that the person also owns a , is equal to approximately .: cat; The probability that a randomly selected resident owns a , given that the person also owns a , is equal to approximately .: 0.519

Question 8

dog ✔ cat

Revolt · Accepted Answer

✔ cat

Question 9

0.27 ✔ 0.5190.90

Revolt · Accepted Answer

✔ 0.519

Question 10

yes ✔ nonot enough information

Revolt · Accepted Answer

✔ no

Conditional Probabilities Answers

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