A software company uses two quality assurance (QA) checkers X and Y to check an application for bugs. X misses 13% of the bugs and Y misses 19%. Assume that the QA checkers work independently. (a) What is the probability (as a %) that a randomly chosen bug will be missed by both QA checkers? Let A be the event that a randomly chosen error is missed by proofreader X, and let B be the event that the error is missed by proofreader Y. Then, as percents, P(A) = [ proofreaders work independently, P(A N B) = --Select--- v . Hence, the probability that the error is missed by both proofreaders is % and P(B) = [ %. Because the %. (b) If the program contains 1,000 bugs, what number of bugs can be expected to be missed? (Round your answer to the nearest integer.) bugs

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