<PRE><B>Question 1070161</B>
1 3 5 7 9 11 13 15 17 19 - 10 odds
2 4 6 8 10 12 14 16 18 20 - 10 evens
Look at the possible choices for the 8 outcomes,
EEE-Even
EEO-Odd
EOE-Odd
EOO-Even
OEE-Odd
OEO-Even
OOE-Even
OOO-Odd
So 4/8 are even sums, 4/8 are odd sums
.
.
.
Now products,
EEE-Even
EEO-Even
EOE-Even
EOO-Even
OEE-Even
OEO-Even
OOE-Even
OOO-Odd
So 7/8 are even product, 1/8 are odd products</PRE>