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Question: Two tire-quality experts examine stacks of tires and assign a quality rating to each tire on a 3- point scale. Let X denote the rating given by expert A and Y denote the rating given by B. The following table gives the joint distribution for X and Y.
Find ???? , ????, ???? 2, ???? 2, ??????, ?????? ?????? .
A typical commercial FM broadcast signal starts out at an effective power level around 100 KW (+80 dBm). How much of that FM signal power finds its way into the clock radio on your nightstand, or the radio in your car's dash
Message signal m(t) = 0.6sin(27r3000t + pi/9) For a carrier signal with amplitude Ac = 4,fc = 40MHz, answer the following. What are the expressions for the transmitted signals in part a Find the transmitted power for each signal in the part a
Consider two signals that have the same frequency. When the amplitude of the first signal is at its maximum, the amplitude of the second signal is at half its maximum from the zero level. What is the phase shift between the two signals
The load of an industrial plant is 400 kVA at a power factor of 75 percent lagging. An additional motor load of 100 kW is needed. Find the new kilovoltampere load and power factor of the plant load if the motor to be added
1. Find the transfer function 2. Find the Laplace transformation of the output when x(t)=sin(t)u(t) 3.Find the output by taking the inverse Laplace transform of part 2.
How much we need to pay for the electricity cost in 61 days when a water-desalination machine runs normally from 8AM to 4PM every day. (It draws 25A in its warming-up time (15 minutes) and draws, on average, 7A in its normal working time at 240V).
If an AM signal has an un-modulated carrier voltage Vc=A volts(pk) and a load resistance RL of B ohms. How to calculate the Pc (Carrier Power) If the modulation index is known as m, how to calculate the Sideband Power (Psb)
A sequential circuit with three D-type flip-flops Y1Y2Y3, input X and output Z is defined with the following input/output functions: D 1 = X Y 3 + X Y 1 Y 3 D 2 = X ( Y 3 + Y 2 ) + X Y 2 Y 3 D 3 = X Y 3 + Y 2 Y 3 Z = Y3
A box contains balls that are identical except for color. Initially the box contains three blue and two green balls. A ball is drawn at random from the box and its color is observed. This first ball is then put back in the box, and then four balls..
consider the dual circuit where the value of the inductor is L=1H, the initial current in the inductor is iL(0)=-1amps, and the input is the source vs(t). Let vs(t)=u(t)=u(t-1). Plot the corresponding current iL(t) for all times.
A complex number with a phase between 90° and 180°(in the 2nd quadrant) is added to a second complexnumber with a phase between -90° and -180° (inthe 3rd quadrant). What is the sign of the realpart of this sum
Draw circuit that implements parallel bit-slice parity checker. Its input is X=xn-1xn-2...x1x0 and it should produce output F=1 iff input X has even parity. Make sure to label all signals and ports.
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