Question Three a) In the local economy of Syejumba, there is a rise in demand for colormatic eye glasses for eye protection as a result of the air pollutants emitted from the mining activities from...

Question Three
a) In the local economy of Syejumba, there is a rise in demand for colormatic eye glasses for eye protection as a result of the air pollutants emitted from the mining activities from the nearby mines. The maker of frames for these glasses has noticed that on an average 0.02
proportion of frames produced are defective. A random of 400 frames is examined for the proportion of defective frames. Find:
a) Find the probability that the proportion of the defective frames (p) in the sample is between 0.01 and 0.03?