Brief Principles of Macroeconomics (MindTap Course List)
Brief Principles of Macroeconomics (MindTap Course List)
8th Edition
ISBN: 9781337091985
Author: N. Gregory Mankiw
Publisher: Cengage Learning
Question
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Chapter 10, Problem 1PA

Sub part (a):

To determine

Calculation of adult population.

Sub part (b):

To determine

Calculation of labor force.

Sub part (c):

To determine

Calculation of labor force participation rate.

Sub part (d):

To determine

Calculation of unemployment rate.

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3. Question You invented a new lateral-flow test for asymptomatic Covid-19 detection, where saliva is entered into a test-tube and then the result is shown directly on the device. However, to save on costly chemicals you designed the tests such that it always reports a negative test result. Assume that the incidence rate is 5 per 1000 and that your test is used for detection of asymptomatic cases (without symptoms). (a) Calculate the probability that 100 randomly determined volunteers receive a correct test result by using the AND-rule and the OR-rule. Can your test be qualified as a diagnostic test? (b) The health authorities are investigating the performance of your test. Government guidelines require a specificity (conditional probability to re- ceive a negative test result given that the test-taker is not infected with COVID19) of at least 97% and a sensitivity (conditional probability to receive a positive test result given that the test-taker is infected with COVID-19) of at…
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