ANSWER ONLY LETTER A 5. Emergency Locator Transmitters An aircraft emergency locator transmitter (ELT) is a devicedesigned to transmit a signal in the case of a crash. The Altigauge Manufacturing Companymakes 80% of the ELTS, the Bryant Company makes 15% of them, and the Chartair Companymakes the other 5%. The ELTS made by Altigauge have a 4% rate of defects, the Bryant ELTShave a 6% rate of defects, and the Chartair ELTS have a 9% rate of defects.a) Find the probability of randomly selecting an ELT and getting one manufactured by theBryant Company.b) If an ELT is randomly selected and tested, find the probability that it was manufactured bythe Bryant Company if the test indicates that the ELT is defective.c) Find the probability of randomly selecting an ELT and getting one manufactured by theChartair Company.d) An ELT is randomly selected and tested. If the test indicates that the ELT is defective, findthe probability that it was manufactured by the Chartair Company.

Let us define some events A : an ELT is manufactured by Altigauge company. B : an ELT is…

Answered: ) Find the probability of randomly…

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter12: Probability

Section12.3: Conditional Probability; Independent Events; Bayes' Theorem

Problem 82E

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Cholesterol Cholesterol in human blood is necessary, but too much can lead to health problems. There are three main types of cholesterol: HDL (high-density lipoproteins), LDL (low-density lipoproteins), and VLDL (very low-density lipoproteins). HDL is considered “good” cholesterol; LDL and VLDL are considered “bad” cholesterol. A standard fasting cholesterol blood test measures total cholesterol, HDL cholesterol, and triglycerides. These numbers are used to estimate LDL and VLDL, which are difficult to measure directly. Your doctor recommends that your combined LDL/VLDL cholesterol level be less than 130 milligrams per deciliter, your HDL cholesterol level be at least 60 milligrams per deciliter, and your total cholesterol level be no more than 200 milligrams per deciliter. (a) Write a system of linear inequalities for the recommended cholesterol levels. Let x represent the HDL cholesterol level, and let y represent the combined LDL VLDL cholesterol level. (b) Graph the system of inequalities from part (a). Label any vertices of the solution region. (c) Is the following set of cholesterol levels within the recommendations? Explain. LDL/VLDL: 120 milligrams per deciliter HDL: 90 milligrams per deciliter Total: 210 milligrams per deciliter (d) Give an example of cholesterol levels in which the LDL/VLDL cholesterol level is too high but the HDL cholesterol level is acceptable. (e) Another recommendation is that the ratio of total cholesterol to HDL cholesterol be less than 4 (that is, less than 4 to 1). Identify a point in the solution region from part (b) that meets this recommendation, and explain why it meets the recommendation.

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) Find the probability of randomly selecting an ELT and getting one manufactured by the Bryant Company.