Value of the probability density function
Suppose that the moment generating function of a randon variable X is given by
MX(t)=(2/(2-t))3
What is the value of the probability density function at x=1, that is fX(1)?
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Assuming no transfer of heat to or from the surroundings, what is the final temperature (in degrees C) of the system?
The fuel mass flow rate is 60 kg/min. Assume that the plant operates adiabatically. Calculate the power generated by the plant at steady state in MW.
The mean height of 8 year old girls in my daughter's school is 125 cm, with a standard deviation of 0.3, and the height has a bell-shaped distribution. What is the approximate percentage of girls between 124.4 cm and 125.6 cm?
Consider an ideal vapor-compression refrigeration cycle. The refrigerator employs Refrigerant 134a as the working fluid and operates at steady state. Determine compressor power, in kW.
A dirt bike racer is going up a 45o slope. He and the dirt bike have a combined mass of 184 kg, and the knobby tires give a coefficient of friction of 0.5. The driven wheel produces a force of 3000 N parallel to the hill slope. How long does it ta
The refrigerant leaves the condenser at 0.7 MPa, 26 °C. Determine the rate at which heat energy is removed from the refrigerated space, in kW,
A solenoid used to produce magnetic fields for research purposes is 2.5m long, with an inner radius of 30cm and 1200 turns of wire. When running, the solenoid produced a field of 1.1T in the center. Given this, how large a current does it carry?
Determine the reduction in the exit temperature of the compressed air and the compressor power saved. Assume water vaporizes completely before leaving the compressor.
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