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Weighing apples. According to https://www.fowlerfarms. com/apple_a_day.htm, a certain kind of apple weighs 150 grams, on average. Suppose that the standard deviation of this type of apple is 20 grams. When picking 66 such apples, what is the probability that they weigh (altogether) 9966 grams or more?
Find the moment-generating function of Y and use it to find E(Y).
A 1.2 MW wind turbine has a rotor diameter of 64 m. the turbine operates in an area with an average wind velocity of 7.5 m/s and the air density of 1.18 kg/m^3. the turbine power coefficient including the unit efficiency is 42.8 percent.
A 20,000 kVA, 110/13.8 kV, Y-D three phase transformer has a series impedance of 0.02 + j0.08 pu. Find the per-unit impedance of this transformer in a power system with a base apparent power of 500 MVA and a base voltage on the high side of 120 kV..
List the four functions of a furnace gas valve. Describe how a main gas valve gets electrical power to open
The average number of vacation days per year offered by different US companies is skewed to the right. A random sample of 60 companies showed the mean number of vacation days was 22, and the standard deviation was 9 days.
Given that the motor of Problem 16.1.11 has a full-load slip of 0.05, compute the motor speed corresponding to rated torque and a frequency of 30 Hz.
Three capacitors are connected in series across a 100 V battery. If the capacitances are 1 microfarad, 0.1 microfarad, and 0.01 microfarad, respectively, calculate the potential difference across each capacitor.
A 1 Gb/s optical link is to be operated at the 1.55 m wavelength. Suppose the dispersion at the 1.55 m wavelength is 17 ps/km-nm, and the attenuation is 0.2 dB/km. For achieving a desired error probability, we are given that the receiver requires ..
Suppose the voltage across a telephone line at the subscriber drops from 48V to 10V when the phone goes off hook. If the telephone instrument has a resistance of 200 ohms when off hook and represents an open circuit
Assume that the$% are signed 8-bit and stored in consecutive locations starting at$504020. Assume that A0 points to the s. Also, write the main program in 68000assembly language to perform all initializations (A0 to $504020, A7 to $406020)
A silicon NPN bipolar junction transistor is to be used as an amplifier. What are the required bias conditions for this to occur If the emitter voltage is -3V, pick an acceptable base voltage and an acceptable collector voltage for the transistor ..
If the shock-wave velocity in Problem is approximated by the speed of sound, determine the pressure change causing a velocity change of 10 fps in air at standard conditions;
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