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lisabon 2012 [21]

2 years ago

9

In a class of students, the following data table summarizes how many students have a cat or a dog. What is the probability that

a student who has a cat also has a dog?
Has a cat Does not have a cat
Has a dog 7 6
Does not have a dog 8 2

1 answer:

myrzilka [38]2 years ago

5 0

Outcome C joint D = 7, D excluding C is 6, C excluding D = 8, no C no D =2. Should be 23 people in total in that class. 7/23.

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