C. The following data set shows the number of customers who have overdue accounts, according to credit card type and number of days d the account is overdue. Card Type Days Overdue Standard Gold Platinum Total d<30 154 117 56 327 31sds60 87 101 10 198 61sd<90 33 49 12 94 d290 10 15 17 42 Total 284 282 95 661 (i) What is the probability that a randomly selected account 31-60 days overdue is a gold card? (ii) What is the probability that a randomly selected gold card account is 61–90 days overdue? (iii) Determine whether the events 31sds60 and Platinum are independent.
C. The following data set shows the number of customers who have overdue accounts, according to credit card type and number of days d the account is overdue. Card Type Days Overdue Standard Gold Platinum Total d<30 154 117 56 327 31sds60 87 101 10 198 61sd<90 33 49 12 94 d290 10 15 17 42 Total 284 282 95 661 (i) What is the probability that a randomly selected account 31-60 days overdue is a gold card? (ii) What is the probability that a randomly selected gold card account is 61–90 days overdue? (iii) Determine whether the events 31sds60 and Platinum are independent.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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