If the time to fail for 3 components are 807, 820, and 810, calculate mean time

Question

If the time to fail for 3 components are 807, 820, and 810, calculate mean time to failure.

Options:

A . 808.34

B . 810.34

C . 812.34

D . 814.34

Answer: Option C
Answer: (c).812.34

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