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| revprev | Admin | Jun 27'24 at 17:41 | 0 | ||
| revcurprev | Admin | Jun 27'24 at 17:40 | −12 | ||
| revcurprev | Admin | Jun 27'24 at 4:32 | +104 | ||
| revcur | Admin | (Created page with "A balanced coin is flipped 400 times. Determine the number <math>x</math> such that the probability that the number of heads is between <math>200- x</math> and <math>200 + x</math> is approximately .80. '''References''' {{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=Doyle |first=Peter G.|date=2006 |access-date=June 6, 2024}}") | Jun 27'24 at 0:56 | +410 |