Answer: it is called genetic drift
Step-by-step explanation:
To explain this it is important to know the meanings of some concepts like allelles which is one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. So in other words the concept that the paragraph is referring is about the descendancy that can be traced by these alleles.
In other words, the paragrapgh states that some individuals when having more children leave more genetic load in subsequent generations and this subsequent load is illustratin in part what is called genetic drift which is many times a random effect on biological populations. Its effect is to remove genetic variation from a population of living organisms. In natural populations there are a number of forces acting. There are forces which add heritable variation to the population, such as mutation and recombination.
Answer:
a) Var[z] = 1600
D[z] = 40
b) Var[z] = 2304
D[z] = 48
c) Var[z] = 80
D[z] = 8.94
d) Var[z] = 80
D[z] = 8.94
e) Var[z] = 320
D[z] = 17.88
Step-by-step explanation:
In general
V([x+y] = V[x] + V[y] +2Cov[xy]
how in this problem Cov[XY] = 0, then
V[x+y] = V[x] + V[y]
Also we must use this properti of the variance
V[ax+b] = 
V[x]
and remember that
standard desviation = ![\sqrt{Var[x]}](https://tex.z-dn.net/?f=%5Csqrt%7BVar%5Bx%5D%7D)
a) z = 35-10x
Var[z] = 
Var[x] = 100*16 = 1600
D[z] = 
= 40
b) z = 12x -5
Var[z] = 
Var[x] = 144*16 = 2304
D[z] = 
= 48
c) z = x + y
Var[z] = Var[x+y] = Var[x] + Var[y] = 16 + 64 = 80
D[z] = 
= 8.94
d) z = x - y
Var[z] = Var[x-y] = Var[x] + Var[y] = 16 + 64 = 80
D[z] = = 8.94
e) z = -2x + 2y
Var[z] = 4Var[x] + 4Var[y] = 4*16 + 4*64 = 320
D[z] = 
= 17.88
The answer is 8.
first of all you need to find the missing length on the adult version.
so the work would be:
-add up all the known sides of adult so
(56+56+35)=147
-then take the total perimeter and subtract so
167-147=20
-then you need to compare the two known sides of both the adult and kids version. so that would be the bottom line EM.
They are 35 and 14 so divide
35/14=2.5
Now you know the dilation so you can figure out the missing side GA on the childs by taking the missing side from the adult dividing by the dilation 2.5 to get the answer so
20/2.5= 8
the answer is 8.
I got this correct on the quiz.
Answer:
The circumference of the circle is
Formula: 2πr
Radius=13ft
So, 2 x 22/27 x 13 = 81.71ft
Answer: 81.71ft
*Answers may differ a bit in decimals with 3.14 and direct π .
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