Answer:
0.513 = 51.3% probability of being a female.
Step-by-step explanation:
We are given the following formula:

In which:
Event F: Female
Event C: Red-green color blindness.
Probability of a Female
We have to find P(F), which is given by:

We are given by:

So

0.513 = 51.3% probability of being a female.
The answer would be 10 because 9+-5=4+-1=5+5=10
0.7 and 14/20 are two different ways to say 7/20
Its linear , if side is x then perimeter is 4x
I hope this helps, if you have any further questions don't hesitate to ask