Answer Happy

A company has sales offices in four cities. An analysis of the company's accounts receivables reveals the number of overdue invoices by days, as shown to the right. Assume the invoices are stored and managed from a central database. Complete parts a through d below. a. What is the probability that a randomly selected invoice from the database is from the City B office? (Round to four decimal places as needed.) b. What is the probability that a randomly selected invoice from the database between 30 and 90 days overdue? (Round to four decimal places as needed.) c. What is the probability that a randomly selected invoice from the database is over 90 days old and from the City C office? (Round to four decimal places as needed.) d. If a randomly selected invoice is from the City D office, what is the probability that it is 60 or fewer days overdue? (Round to four decimal places as needed.) COL Days Overdue Under 30 days 30-60 days 61-90 days. Over 90 days City A 129 92 29 23 City B City C 110 202 46 76 45 45 33 29 City D 301 118 51 62