Answer:
68.74%
Explanation:
To find the Standard Deviation:
First find expected return.
(0.7*100%)+(0.3*-50%) =70-15= 55%
Then the Variance.
[0.7*(1-0.55)^2]+[.3*(-0.5-0.55)^2]
=0.14175+0.33075
=0.4725
=47.25%
The Standard Deviation is the square root of the variance.

=0.6874
=68.74%
Hi lovely,
The answer you're looking for would be Biosphere.
The cell cycle is the most important process in the growth of the organisms, so its control is very complicated, since even a small mistake can have a huge importance for the cell. ... Everytime any cell reaches the S phase, there is no more limitation for it and DNA replication and mitosis always take place.
Because everybody thinks scientifically by making observations and testing them
Alleles on homologous chromosomes determine traits.