The Time Between Breakdowns of an Alarm System Is Exponentially

question 22

Multiple Choice

The time between breakdowns of an alarm system is exponentially distributed with mean 10 days.What is the probability that there are no breakdowns on a given day?

• A).9048
• B).3679
• C).0952
• D)0.000

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Definitions:

Internal Thread

The spiral grooves cut inside a hole intended to engage with an external thread, such as on a bolt, allowing for parts to be screwed together.

Plain Bearings

Bearings that operate through sliding motion between the moving surfaces, without rollers or balls, used for simpler mechanisms.

Journal Bearings

Bearings that support a rotating shaft, where the shaft rotates within a lubricated sleeve or shell without rolling elements.

Tensile Strength

The maximum amount of tensile stress that a material can withstand before failure, an essential parameter in material selection and engineering design.