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Mathematics, 16.03.2020 22:25 finlchey3860

120 students in a fifth grade class are surveyed about what kinds of pets they have. Of the 120 students, 30
have a goldfish, 40 have a mouse, and 10 have a goldfish and a mouse. Using this information, answer each of
the following questions.
Let G be the event that a randomly selected student has a goldfish and M be the event that a randomly
selected student has a mouse.
What is P(G), the probability that a student in the class has a goldfish?
What is PM), the probability that a student in the class has a mouse?
What is P(Gand M), the probability that a student in the class has a goldfish and a mouse?
What is P(G or M), the probability that a student in the class has a goldfish or a mouse?

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