True because yes yes yes yes yes
I tried I hope this helps in any kind of way
Sallys statement is always true
for example:
-6 + 2 = -4
but if I turn it around
2 - 6 = -4
same answer
-6 -6 = -12
swap around -6 - 6 = 12
same answer
again -3 + 6 = 3
and 6 - 3 = 3
The sibling cab either be male or female.
so, the required probability is 1/2