Chrissy J.

asked • 09/12/15

Probability word problem

Of a group of 30 cats, 24 eat tinned or dry food, 10 like dry food and 5 like both tinned and dry food. Find the probability that a selected cat likes only tinned food.
Answer 7/15, but how do you do it?

2 Answers By Expert Tutors


Arthur D. answered • 09/12/15

Effective Mathematics Tutor

Alexander B. answered • 09/12/15

Advanced Math and Science Tutoring and Test Prep online (SAT, ACT)

Alexander B.

The answer given by Arthur D. is probably more easy to understand as it does not require the use of conditional probability. Best regards,


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