The lifetime of a transistor in a certain application is random with probability density function





a. Find the mean lifetime.

b. Find the standard deviation of the lifetimes.

c. Find the cumulative distribution function of the lifetime.

d. Find the probability that the lifetime will be less than 12 months.




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Answer the following statements true (T) or false (F)

1) The terms "host" and "agency" are associated with the combination theory of accident causation. 2) The Three "Es" of safety work well in taking corrective action in conjunction with Heinrich's Theory. 3) The tendency of more experienced workers to behave in ways that involve higher levels of risk is known as human adaptation. 4) Obesity, fatigue, memory, and personality are all factors that can contribute to accidents in the workplace.

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Three major mother breeds of swine are the Chester White, Landrace, and:

A. Duroc B. Berkshire C. Hampshire D. Yorkshire

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What is SAE metric battery cable of 100 mm equivalent to?

A. 1/0 or 0 B. 2/0 or 00 C. 3/0 or 000 D. 4/0 or 0000

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Combining rise and offset into one dimension refers to

Fill in the blank(s) with the appropriate word(s).

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