Question 199933
Let a=.6 and b=.4
Take the 1st six terms of (a+b)^15 which are
find the coefficients by the combination formula nCr on your calculator (easiest).
a^15=.0005
15a^14b=.0047
105a^13b^2=.0219
455a^12b^3=.0634
1365a^11b^4=.1268
3003a^10b^5=.1859
Sum of the above numbers .4032 answers.
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Ed