
12.3. (a) Explain why, in a group of 50 people, at least five people were born in the same month. b) How many people do you need to ensure that at least seven people were born
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12.3. (a) Explain why, in a group of 50 people, at least five people were born in the same month. b) How many people do you need to ensure that at least seven people were born
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