Calculating the Probability of a Varied Selection in Pet Shop Purchases
A dog owner wants to buy their dog 3 things at a specialty pet shop. The shop has 3 different types of dog treats, 4 different types of toys and 5 different pieces of clothing. What is the probability that the purchase will consist of at least one of each item?
John Bruce
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Answer
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Erdos
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The answer is accepted.
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