A manufacturer.of cotier pins knows that 5% of his product of defective. If he sells pins in boxes of 100 and guarantees that not more than 4 pins will be defective, what is the approximate...

Extracted text: A manufacturer.of cotier pins knows that 5% of his product of defective. If he sells pins in boxes of 100 and guarantees that not more than 4 pins will be defective, what is the approximate probability that a box will fail to meet the guaranteed quality ? (e-3 = 0.0067)