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sdougfwfawoeufef:
what is the probability that out of 125 babies born at least 70 will be girls
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satellite73:
guess you have to add binomials if you want to get an exact answer instead of an approximation
satellite73:
\[\sum_{k=70}^{125}\binom{125}{k}\left(\frac{1}{2}\right)^{125}\]
satellite73:
wow i remember a bit of \[\LaTeX\]
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