A two-page typed report contains an error on one of the pages. Two proofreaders review the copy. Each has an 80% chance of catching the error.What is the probability that the error will be identified in the following cases?
a. Each reads a different page.
b. They each read both pages.
c. The first proofreader randomly selects a page to read and then the second proofreader randomly selects a page, unaware of which page the first selected.