THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 318

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A personnel officer for a firm that employs many part time salespeople tries out a sales aptitude test on several hundred applicants.Because the test is unproven,results are not used in hiring.Forty percent of applicants show high aptitude on the test and 12% of those hired both show high and achieve good sales records.The firm's experience shows that 30% of all salespeople achieve good sales.Let A be the event "shows high aptitude" and let B be the event "achieves good sales".
-Are A and B independent?

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Definitions:

Accounts Receivable

The amount of money owed to a company for goods or services that have been delivered but not yet paid for.

Exchange Rates

The price at which one currency can be converted into another currency, influencing international trade and investments.

Balance Sheet

A financial statement that displays a company’s financial position at a certain date, listing assets, liabilities, and shareholder equity.

Exchange Rates

The price of one nation's currency expressed in the currency of another nation, used to convert from one currency to another for trade and finance.