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Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3 students own 3 pets each, and 2 students own 4 pets each. Eight of the students in the grade own 1 pet. Considering the number of pets as the random variable, X, which of the following is the probability distribution, PX(x)?

Taylor surveys students in one grade level who own at least one pet. She finds that-example-1
Taylor surveys students in one grade level who own at least one pet. She finds that-example-1
Taylor surveys students in one grade level who own at least one pet. She finds that-example-2
Taylor surveys students in one grade level who own at least one pet. She finds that-example-3
Taylor surveys students in one grade level who own at least one pet. She finds that-example-4
User Ilkar
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2 Answers

5 votes
I think that A is the correct answer.
User Adamantus
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6.7k points
6 votes

Answer with explanation:

Information Regarding students who own pets

1. 50% of the students surveyed own 2 pets.

2. 3 students own 3 pets each,

3. 2 students own 4 pets each.

4. Eight of the students in the grade own 1 pet.

Total number of students =(3+2+8) ×2=13×2=26

X P(x)

1
=(8)/(26)=0.3076

2
=(13)/(26)=0.5

3
=(3)/(26)=0.1153

4
=(2)/(26)=0.077

Option A

Taylor surveys students in one grade level who own at least one pet. She finds that-example-1
User Starpause
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7.0k points