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OpenStudy (anonymous):
A coin is tossed 7 times. Find the probability P(of exactly 5 occurrences of heads).
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OpenStudy (amistre64):
\[\binom{n}{k}s^k~f^{k-n}\]sounds about right
OpenStudy (dumbsearch2):
So... 35*(1/2)^5*(1/2)^2 =
OpenStudy (amistre64):
or is that n-k
OpenStudy (dumbsearch2):
35*(1/2)^5*(1/2)^2 = ?
OpenStudy (anonymous):
idk
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OpenStudy (dumbsearch2):
Omg...
OpenStudy (dumbsearch2):
Solve the linear equation.
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