Brian claims that his dog can do single-digit multiplication. He shows the dog 10 cards with simple multiplication problems that are either correct or incorrect. The dog correctly identifies the correctness of the card 7 times out of 10. If the dog were simply guessing, how many would the dog be expected to get correct?
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Home » Mathematics » Brian claims that his dog can do single-digit multiplication. He shows the dog 10 cards with simple multiplication problems that are either correct or incorrect. The dog correctly identifies the correctness of the card 7 times out of 10.