Wednesday, June 8, 2011

Probability help! Some type of heat storage for air navigation system has a backup medium of the battery?

: unit to adjust the power supply question Katie : Probability support a particular kind of thermal battery for refueling aircraft navigation method has a backup medium ?Some sort of thermal battery for powering the aircraft's navigation program backup has a lifetime average of 300 hours with a standard deviation of 15 hours. What proportion of these cells to expect that life will be 322 hours or less? Take into account a normal distribution of emergency power equipment life greatest answer.

Tesla Energy Machine

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