Solving for the variable 'A' in the formula below you get:
y = r p − r f A σ 2
Group of answer choices
A = y σ 2 r p − r f
Can't solve for A since A can equal zero.
A = r p − r f y σ 2
A = 1 y σ 2 − ( r p − r f )
I think division sign is not written by mistake
correct answer is : third choice : A = (r p − r f ) /y σ 2
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