3. the first one.
4. I would say the third one
Answer:
a. Ang answer dahil totoo naman talaga
Answer:
The cell theory states
Explanation:
1/ all living organism are made up of cells: which can be unicellular or multicellular organisms.
2/ cells are the basic structural and functional usnits for living things: so as it was was mentioned in 1, an unicellular organism in consisited of one cell which will be probably functioning, and for multlicellular organisms they contain more than one of functioning cell.
3/ all cells comes from pre-existing cells: the process of which cells reproduce is by splitting the existing cell into 2 cells, or in some cases grow a part of it until it becomes a fully functioning cells, which is dependent on the original cell until it becomes independent.
Finding the new mean is simple: If
, then
.
Meanwhile, the standard deviation is the square root of the variance, which is given by
![V[X]=E[X^2]-E[X]^2\implies V[2X]=E[(2X)^2]-E[2X]^2=4E[X^2]-(2E[X])^2](https://tex.z-dn.net/?f=V%5BX%5D%3DE%5BX%5E2%5D-E%5BX%5D%5E2%5Cimplies%20V%5B2X%5D%3DE%5B%282X%29%5E2%5D-E%5B2X%5D%5E2%3D4E%5BX%5E2%5D-%282E%5BX%5D%29%5E2)
![\implies V[2X]=4\underbrace{\left(E[X^2]-E[X]^2\right)}_{V[X]}=12](https://tex.z-dn.net/?f=%5Cimplies%20V%5B2X%5D%3D4%5Cunderbrace%7B%5Cleft%28E%5BX%5E2%5D-E%5BX%5D%5E2%5Cright%29%7D_%7BV%5BX%5D%7D%3D12)
and so the new standard deviation would be
.