CoCalc Public FilesMozilla_test.sagewsOpen with one click!
Author: Ernesto Ocampo
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Compute Environment: Ubuntu 18.04 (Deprecated)
p_null = (74*0.55 + 48*0.64) / (74+48) show(p_null)
0.585409836065574\displaystyle 0.585409836065574
comb(n, k) = factorial(n) / (factorial(n-k)*factorial(k)) print p_null^31 #print comb(31,48) * p_null
6.18387170244974e-8