A 50-Volt Battery Must Be Between 55 and 45 Volts

question 10

Multiple Choice

A 50-volt battery must be between 55 and 45 volts when it leaves the factory. Two hundred samples of batteries have yielded the following data: average charge of 49 volts with a standard deviation of 2.5 volts. What is the probability of producing an out-of-spec battery?

• A) 0.06
• B) 0.80
• C) 0.53
• D) 0.12
• E) 0.32

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Definitions:

Lean Manufacturing

A systematic method for waste minimization within a manufacturing system without sacrificing productivity.

Poor Quality

Refers to products or services that do not meet established standards of excellence or expectations, leading to customer dissatisfaction or increased costs for correction.

Employee Involvement

A management approach that grants employees the responsibility and authority to make decisions about operations.

Lean Manufacturing

A systematic method for minimizing waste within manufacturing systems while simultaneously maximizing productivity.