Answer:
Option B is correct.
0.0166 is correct.
Step-by-step explanation:
The σrho is the standard error of the sample proportion and it is given as
σₓ = = √[p(1-p)/n]
where p = sample proportion = 55% = 0.55
n = sample size = 900
σₓ = = √(0.55×0.45/900) = 0.016583124 = 0.0166 to 3 s.f.
Hope this Helps!!!
