45 owns more than one pet 60 owns a dog 40 of the people who

45% owns more than one pet
60% owns a dog
40% of the people who have more than one, own a dog

What\'s the probability that they own one pet and it\'s not a dog

and what\'s the probability they have more than one pet?

Solution

So the chances they own one pet and it\'s not a dog is

P(they own one pet and it\'s not a dog | has a dog)

=P(they own one pet and it\'s not a dog and has a dog) / P(has a dog)

=0/0.6

=0

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The chances they own more than one pet is

0.45