Sharing a birthday? It’s not as rare as you think. In a group of just 23 people, you have over a 50% chance that two will share a birthday—and that probability climbs quickly. For example, among the 47 U.S. presidents, there’s more than a 95% chance that two share a birthday (and indeed, two POTUS do!). In this video, we break down the math behind this weird, counterintuitive phenomenon known as the birthday paradox. At Cuemath, we help kids get MathFit to spot the logic behind everyday wonders
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Sharing a birthday? It’s not as rare as you think. In a group of just 23 …
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