There are 120 female rabbits and 30 male rabbits because 30 times 4 is 120 and 120 plus 30 is 150
Hello!
The answer is B
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Answer:
hihi
Step-by-step explanation:
Answer:
Mean = 30
standard Deviation = 2.74
Step-by-step explanation:
Formula
mean = np
Standard Deviation = 
from the question = 40
P = 75% or 0.75
q = 1 - p = 1 - 75% or 1 - 0.75
To find mean
mean = 40 x 0.75
= 30
For Standard Deviation (SD)
Standard Deviation =
= 
= 
:. Standard Deviation = 2.74
Answer:
I think is the 3rd one but I am not sure