Refer to Example 2.54.

a. Find Cov(X,Y).

b. Find




(a)





(b)

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The ____________________ uses an inner and outer rotor to generate oil pressure.

Fill in the blank(s) with the appropriate word(s).

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What happens to the refrigerant as it passes through the metering device?

What will be an ideal response?

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An astronaut has a mass of 68 kg, what is the weight of the astronaut on earth at sea level? What are the mass and the weight of the astronaut on the Moon, and on Mars? What is the ratio of the pressure exerted by the astronaut's shoe on Earth to Mars?

What will be an ideal response?

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