Examlex
At ski resorts, lifts need to be reliable. Recently, one resort tested the reliability of their 20 different lifts by using a time-terminated test. The test ran for 100 hours of continuous operation. During the test, four lifts broke down, at 40, 65, 80, and 89 hours. Calculate the mean life of the lifts. If it takes on average 12 hours to repair a lift, calculate the availability of the lifts.
Facial Expressions
Visible changes in the face that convey a person’s emotional state, intentions, or social communications, often universally recognized.
Deaf and Blind
Refers to individuals who have impairments in both hearing and vision, significantly affecting their communication and learning methods.
Facial Expressions
The movements or positions of the face that convey emotional states or reactions to situations.
Trial and Error
A problem-solving method that involves attempting different solutions and eliminating those that do not work, to find the one that does.
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