Answered: The quality control department examines…

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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The quality control department examines all the products returned to a store by customers. An examination of the returned products yields the following assessment: 5% are defective and not repairable, 45% are defective but repairable, 35% have small surface scratches but are functioning properly, and 15% have no problems. Compute the following probability for a random sample of 20 returned products.

Exactly 6 out of the 20 returned products are defective and not repairable

Expert Solution

Step 1

X~ Binomial(n ,p)

Formula:

P(X=x) = $(\begin{matrix} n \\ x \end{matrix}) p^{x} {(1 - p)}^{n - x}; x = 0, 1, 2, . ., n$

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