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& A survey asked bank customers how often they use the bank's ATM. The results are summarized in the contingency table below. Age (Years) Below 25 Between 25 and 40 Over 40 i. If a customer is taken at random, what is the probability that the customer is aged over 40 years? Often 40 120 80 Not often 90 60 140 ii. Given that a customer often uses the ATM, what is the probability that the customer is aged between 25 and 40 years? iii. A randomly selected customer turns out to be below 25 years old. Compute the probability that he does not use the ATM often. iv. If a customer is taken at random, what is the probability that the customer is between 25 and 40 years or does not use the ATM often?

& A survey asked bank customers how often they use the bank's ATM. The results are summarized in the contingency table below. Age (Years) Below 25 Between 25 and 40 Over 40 i. If a customer is taken at random, what is the probability that the customer is aged over 40 years? Often 40 120 80 Not often 90 60 140 ii. Given that a customer often uses the ATM, what is the probability that the customer is aged between 25 and 40 years? iii. A randomly selected customer turns out to be below 25 years old. Compute the probability that he does not use the ATM often. iv. If a customer is taken at random, what is the probability that the customer is between 25 and 40 years or does not use the ATM often?

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 survey asked bank customers how often they use the bank's ATM. The results are summarized in the contingency table below. Age (Years) Below 25 Between 25 and 40 Over 40 i. If a customer is taken at random, what is the probability that the customer is aged over 40 years? Often 40 120 80 Not often 90 60 140 ii. Given that a customer often uses the ATM, what is the probability that the customer is aged between 25 and 40 years? iii. A randomly selected customer turns out to be below 25 years old. Compute the probability that he does not use the ATM often. iv. If a customer is taken at random, what is the probability that the customer is between 25 and 40 years or does not use the ATM often?
Transcribed Image Text:& A survey asked bank customers how often they use the bank's ATM. The results are summarized in the contingency table below. Age (Years) Below 25 Between 25 and 40 Over 40 i. If a customer is taken at random, what is the probability that the customer is aged over 40 years? Often 40 120 80 Not often 90 60 140 ii. Given that a customer often uses the ATM, what is the probability that the customer is aged between 25 and 40 years? iii. A randomly selected customer turns out to be below 25 years old. Compute the probability that he does not use the ATM often. iv. If a customer is taken at random, what is the probability that the customer is between 25 and 40 years or does not use the ATM often?
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