November 24, 2015

Homework Help: statistics

Posted by HELP ME on Tuesday, October 18, 2011 at 10:57am.

A manufacturer makes two models of an item: model A which accounts for 70% of unit sales, and model B which accounts for 30% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 4% of its model A and 17% of its model B.

Question 9 : If a unit is selected at random from the combined output, what is the probability that it will be defective?

Answer this Question

First Name:
School Subject:

Related Questions

More Related Questions