The company ABCD produces simple calculators. 10% of the produceditems are defective. The reason for a defective calculator may be anelectronic fault or a mechanical fault or both. The probability for anelectronic fault is 4%. In 0.25% of all products the mechanic as well asthe electronic part is defective.a) Write down a Four-Field-Tableau.b) Which fault happens more often?c) Are the two type of faults independent of each other?d) Quality control makes an analysis of an item which shows both faults.How many calculators have to be chosen randomly from the overallproduction in order to find such an item with a probability of 95%?

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Answered: a) Write down a Four-Field-Tableau. b)…

a) Write down a Four-Field-Tableau. b) Which fault happens more often? c) Are the two type of faults independent of each other?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The company ABCD produces simple calculators. 10% of the produced
items are defective. The reason for a defective calculator may be an
electronic fault or a mechanical fault or both. The probability for an
electronic fault is 4%. In 0.25% of all products the mechanic as well as
the electronic part is defective.
a) Write down a Four-Field-Tableau.
b) Which fault happens more often?
c) Are the two type of faults independent of each other?
d) Quality control makes an analysis of an item which shows both faults.
How many calculators have to be chosen randomly from the overall
production in order to find such an item with a probability of 95%?

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