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K Twenty of the 200 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly select a DVR that is not defective? The probability is 0.1 (Type an integer or a decimal Do not round)

K Twenty of the 200 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly select a DVR that is not defective? The probability is 0.1 (Type an integer or a decimal Do not round)

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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**Question:** Twenty of the 200 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly select a DVR that is not defective? --- **Solution:** To find the probability that a DVR selected at random is not defective, we first determine the number of DVRs that are not defective. Total DVRs = 200 Defective DVRs = 20 Non-defective DVRs = Total DVRs - Defective DVRs Non-defective DVRs = 200 - 20 = 180 Probability of selecting a non-defective DVR = (Number of non-defective DVRs) / (Total number of DVRs) Probability = 180 / 200 = 0.9 Therefore, the probability is **0.9**. *Note: Type an integer or a decimal. Do not round.*
Transcribed Image Text:**Question:** Twenty of the 200 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly select a DVR that is not defective? --- **Solution:** To find the probability that a DVR selected at random is not defective, we first determine the number of DVRs that are not defective. Total DVRs = 200 Defective DVRs = 20 Non-defective DVRs = Total DVRs - Defective DVRs Non-defective DVRs = 200 - 20 = 180 Probability of selecting a non-defective DVR = (Number of non-defective DVRs) / (Total number of DVRs) Probability = 180 / 200 = 0.9 Therefore, the probability is **0.9**. *Note: Type an integer or a decimal. Do not round.*
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