On a cold day, a heat pump absorbs heat from the outside air at 14°F (−10°C) and transfers it into a home at a temperature of 86
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The kinetic energy is given by:
We know the mass and the maximum speed, plugging their values in the expression above we have:
Therefore, the answer is d.
Answer:
Explanation:
The confidence interval for population mean is given by :-
Given : Sample size :
Sample mean :
Standard deviation :
Significance level :
Critical value :
Now, the 95% confidence interval estimate of the (true, unknown) mean sound intensity of all food processors of this type :-