Suppose that 11.6% of all humans are left handed

if 11.6% are left handed then 88.4% are right handed because you subtract 100%-11.6% which is 88.4%

hope this helps and i hope your question is related to this :)

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .