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A company warranties its laptop computers. Every defective laptop costs the company $200 in repair costs. The company estimates that 10% of all laptops sold will require warranty repair. If 20 laptops are sold, then a) What is the expected number needing repair? It is b) What are the expected warranty costs? It is s b) What is the variance of the number of laptops (X) needing warranty repair? It is c) What is the standard deviation of cost (Y) to the company of warranty repair? it is dollars. Note: We can model the problem as X=#of computers needing repair Y cost of the warranty repair Y=$200X

A company warranties its laptop computers. Every defective laptop costs the company $200 in repair costs. The company estimates that 10% of all laptops sold will require warranty repair. If 20 laptops are sold, then a) What is the expected number needing repair? It is b) What are the expected warranty costs? It is s b) What is the variance of the number of laptops (X) needing warranty repair? It is c) What is the standard deviation of cost (Y) to the company of warranty repair? it is dollars. Note: We can model the problem as X=#of computers needing repair Y cost of the warranty repair Y=$200X

MATLAB: An Introduction with Applications
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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A company warranties its laptop computers. Every defective laptop costs the company $200 in repair costs. The company estimates that 10% of all laptops sold will require warranty repair. If 20 laptops are sold, then a) What is the expected number needing repair? It is b) What are the expected warranty costs? It is s b) What is the variance of the number of laptops (X) needing warranty repair? It is c) What is the standard deviation of cost (Y) to the company of warranty repair? it is dollars. Note: We can model the problem as X=#of computers needing repair Y cost of the warranty repair Y=$200X
Transcribed Image Text:A company warranties its laptop computers. Every defective laptop costs the company $200 in repair costs. The company estimates that 10% of all laptops sold will require warranty repair. If 20 laptops are sold, then a) What is the expected number needing repair? It is b) What are the expected warranty costs? It is s b) What is the variance of the number of laptops (X) needing warranty repair? It is c) What is the standard deviation of cost (Y) to the company of warranty repair? it is dollars. Note: We can model the problem as X=#of computers needing repair Y cost of the warranty repair Y=$200X
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