Quality control A population of 584 semiconductor wafers

Last updated: 6/22/2023

Quality control A population of 584 semiconductor wafers contains wafers from three lots The wafers are categorized by lot and by whether they conform to a thickness specification with the results shown in the following table A wafer is chosen at random from the population Write your answer as a fraction or a decimal rounded to four decimal places Lot A B C Conforming 82 156 253 Send data to Excel Nonconforming 17 45 31 a What is the probability that the wafer is from Lot C b What is the probability that the wafer is nonconforming c What is the probability that the wafer is from Lot C and is nonconforming d Given that the wafer is from Lot C what is the probability that it is nonconforming from Lot C e Given that the wafer is nonconforming what is the probability that it f Let E be the event that the wafer comes from Lot C and let E be the event that the wafer is nonconforming Are E and E independent TIT olo 11