Answer:
a)
, b)
, c)
, d)
, e) 
Explanation:
a) The coefficient of performance of the reversible refrigeration cycle is:


The temperature of the hot reservoir is:



b) The coefficient of performance is:


c) The temperature of the hot reservoir can be determined with the help of the following relation:






d) The coefficient of performance is:


e) The temperature of the cold reservoir is:




Answer:
sampling distribution
Explanation:
Sampling distribution is distribution of multiple samples' satistics of a population.
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