Examlex
One of the most efficient engines built so far has the following characteristics:
combustion chamber temperature = 1900°C
exhaust temperature = 430°C
7.0 × 109 cal of fuel produces 1.4 × 1010 J of work in one hour,where 1 cal = 4.19 J
(a)What is the actual efficiency of this engine?
(b)What is the Carnot efficiency of the engine?
(c)What is the power output of this engine?
Sampling Distribution
The distribution of chances related to a statistic that comes from drawing a significant number of samples from a particular group of people or items.
Sampling Distribution
Probabilistic distribution outcomes for a predetermined statistic, based on a sample chosen at random.
DVD Rental Store
A physical retail business that rents out DVDs for a short-term period, allowing customers to watch movies or TV shows at home.
Simple Random Sample
A portion of a statistical population where every member in that portion is equally likely to be selected.
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