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March 2, 2015

March 2, 2015

Posted by **jacob** on Monday, December 12, 2011 at 10:06pm.

unknown distribution with mean value of 8 hours and

standard deviation of 2 hours. What is the approximate

probability that the average battery lifetime of a sample

of 36 batteries will exceed 8.1 hours?

- Statistics -
**PsyDAG**, Wednesday, December 14, 2011 at 11:08amPlease only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

See your later post.

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