Question
A company wants to estimate the percentage of defective products in their production line. The company decides to take a random sample of 200 products
A company wants to estimate the percentage of defective products in their production line. The company decides to take a random sample of 200 products and inspect them for defects. They find that 20 of the sampled products are defective.
a) What is the point estimate of the percentage of defective products in the production line?
b) What is the margin of error for the estimate if the company wants a 95% confidence interval?
c) What is the 95% confidence interval for the true percentage of defective products in the production line?
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Modern Control Systems
Authors: Richard C. Dorf, Robert H. Bishop
12th edition
136024580, 978-0136024583
