THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 325

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".
-What is P(B |A)?

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Definitions:

Burn Out

The failure of an electrical component due to excessive heat or overloading.

Terminal Blocks

Electrical connectors that facilitate the easy connection and organization of wires in a circuit.

Single-phase

Refers to an electrical power system that uses only one alternating current (AC) voltage phase, common in residential and light commercial applications.

Three-phase

A system of three electrical currents or waves that are offset in phase by one-third of their cycle, commonly used in power systems for efficient electricity distribution.