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25 August, 11:57

300 students in a high school freshman class are surveyed about what kinds of pets they have. Of the 300

students, 200 have a dog, 180 have a cat, and 150 have a cat and a dog. Using this information, answer

• each of the following questions.

Let D be the event that a randomly selected student has a dog and C be the event that a randomly

selected student has a cat.

What is P (D), the probability that a student in the class has a dog?

What is P (C), the probability that a student in the class has a cat?

What is P (D and C), the probability that a student in the class has a dog and a cat?

What is P (D or C), the probability that a student in the class has a dog or a cat?

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Answers (1)
  1. 25 August, 14:50
    0
    Step-by-step explanation:

    What is P (D), the probability that a student in the class has a dog?

    D=66%

    What is P (C), the probability that a student in the class has a cat?

    C=60%

    What is P (D and C), the probability that a student in the class has a dog and a cat?

    DC=50%
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