There are 12 months in most years.
.. 23%/12 ≈ 1.91667%
_____
The answer shown in your picture is correct to 2 decimal places.
Someone already made an answer for this
Go to the third pic for your answer. I got problem 4 wrong but it shows the correct answer.
The answer is:
The measure of an exterior angle of a triangle is equal to the sum of the measures of the remote interior angles.
Answer: the mean should not change.
Stabilizing selection: it is one type of the natural selection..
an intermediate variant selected by the nature has more survival rate against extreme and low variants. such variants are well adopted by the population and pass it for several generations without changes. it shows that the mean of the variant <span>will be stabilized for several generations</span>