Suppose a quality manager for Dell Computers has collected the following data on the quality status of disk drives by supplier. She inspected a total of 700 disk drives. 
Based on these inspection data, what is the probability of randomly selecting a disk drive from company B?
Definitions:
Bank Memos
Notices from a bank that make adjustments to a company's bank account balance, often for fees, interest payments, or corrections.
Bank Reconciliation
The analysis that details the items responsible for the difference between the cash balance reported on the bank statement and the balance of the cash account in the ledger.
Company's Accounts
Records that contain the financial transactions, assets, liabilities, and equity of a company.
Deposits in Transit
Cash and checks that have been received and recorded by a business but not yet reflected in the bank's records.
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