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13 February, 18:33

To be 50% confident that someone in a room has your particular birthday, how many people would there need to be in the room beside yourself? use a guess-and-check approach with these four possibilities in order to determine the correct answer. possible answers:

a. about 625 people,

b. about 334 people,

c. about 253 people, or

d. about 23 people.

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  1. 13 February, 19:23
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    The answer to this problem is D. about 23 people.
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