(Solved):   Polychlorinated biphenyl (PCB) is an organic pollutant that can be found in electrical equ ...

 

Polychlorinated biphenyl (PCB) is an organic pollutant that can be found in electrical equipment. A certain kind of small capacitor contains PCB with a mean of plans to regulate the disposal of such capacitors if the sample mean amount of PCB is \( 49.5 \) ppm or more. Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places.