<PRE><B>Question 1122242</B>
YYYNN
NYYYN
NNYYY
YYYYN
NYYYY
YNYYY
YYYNY
YYYYY
Each one has two possibilities, so there are 32 choices in all, 2^5.
for three of these, the probability is 3*0.4^3*0.6^2=0.0691
for four of these, the probability is 4*0.4^4*0.6=0.0614
for five of these, the probability is 0.4^5=0.0102
The sum is 0.1407 ANSWER</PRE>