QUESTION 2 Banila Co. selected 1,000 young adults at random and surveyed them to determine a relationship between the monthly spending on skincare products and the age of the customers. The survey findings are reported in the table below. Age Monthly spending ($) 20s 30s $0.00 - $49.99 $50.00 - $99.99 $100.00 - $149.99 $150.00 - $199.99 $200.00 - $249.99 $250.00 or more Total customers 75 91 29 83 113 90 89 128 63 159 34 465 46 535 a. What is the probability that a customer is in his/her 20s? b. What is the probability that a customer spends at least $150.00 and is in his/her 30s? c. What is the probability that a customer spends at least $150.00 or is in his/her 30s? d. Given that a customer is in his/her 20s, what is the probability that he/she spends less than $100.00? e. Given that a customer spends $200.00 or more, what is the probability that he/she is in his/her 30s? f. Are the events "age of 20s" and "monthly spending of $250.00 or more" mutually exclusive? Explain using probabilities. E. Are the events "age of 30s" and "monthly spending of $250.00 or more" independent? Explain using probabilities.
QUESTION 2 Banila Co. selected 1,000 young adults at random and surveyed them to determine a relationship between the monthly spending on skincare products and the age of the customers. The survey findings are reported in the table below. Age Monthly spending ($) 20s 30s $0.00 - $49.99 $50.00 - $99.99 $100.00 - $149.99 $150.00 - $199.99 $200.00 - $249.99 $250.00 or more Total customers 75 91 29 83 113 90 89 128 63 159 34 465 46 535 a. What is the probability that a customer is in his/her 20s? b. What is the probability that a customer spends at least $150.00 and is in his/her 30s? c. What is the probability that a customer spends at least $150.00 or is in his/her 30s? d. Given that a customer is in his/her 20s, what is the probability that he/she spends less than $100.00? e. Given that a customer spends $200.00 or more, what is the probability that he/she is in his/her 30s? f. Are the events "age of 20s" and "monthly spending of $250.00 or more" mutually exclusive? Explain using probabilities. E. Are the events "age of 30s" and "monthly spending of $250.00 or more" independent? Explain using probabilities.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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