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3. (20 points) An aircraft emergency locator transmitter (ELT) is a device designed to transmit a signal in the case of
Posted: Mon Apr 11, 2022 6:21 am
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- 3 20 Points An Aircraft Emergency Locator Transmitter Elt Is A Device Designed To Transmit A Signal In The Case Of 1 (55.18 KiB) Viewed 20 times
3. (20 points) An aircraft emergency locator transmitter (ELT) is a device designed to transmit a signal in the case of a crash.
Company A makes 50% of the ELTs,
Company B makes 30% of them, and the
Company C makes the remaining 20%. The ELTs made by
Company A has a defect rate of 2%, the
Company B has defect rate of 5%, and the
Company C has a defect rate of 3%. (a) (4 points) If an ELT is randomly selected from the general population of all ELTs, find the probability that it was made by the
Company A. (b) (8 points) What is the probability that the chosen item is defective? (c) (8 points) If a randomly selected ELT is then tested and is found to be defective, find the probability that it was made by the
Company A.