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

Question

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 P(M), the probability that a student in the class has a mouse?
What is P(G and M), the probability that a student in the class has a goldfish and a mouse?
What is PG or M), the probability that a student in the class has a goldfish or a mouse?

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Mary 2 weeks 2021-11-20T17:28:25+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-20T17:29:47+00:00

    Answer: P(G) = 1/4

    P(M) = 1/3

    P(G and M) = 1/12

    P(G or M) = 1/2

    Step-by-step explanation:

    0
    2021-11-20T17:30:24+00:00

    Answer:

    25% for goldfish

    33% for mouse

    8.3% for goldfish and mouse

    58% have a goldfish or mouse

    Step-by-step explanation:

    They are all rounded. Take your time. 🙂

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45:7+7-4:2-5:5*4+35:2 =? ( )