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%
To detect some species of microsporum, the UV light from the wood lamp will be used to check the area of suspected infection. The lamp will be placed about 10 to 30 cm away from the skin. If there is fluorescence or if the light is reflected back, that means that microsporium is present.
Answer:
False
Explanation:
Scientists have tried to remove them or kill them.
Answer:
11/12 is greater than 2/3!
