An optical communication system employs a photodetector
An optical communication system employs a photodetector whose output is modeled as a Poisson(λ ) random variable X. Find the second moment and the variance of X.
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Find the value of Qc. Find the value of Qc.
A 34.5-g sample of an alloy at 93.0 degrees Celsius is placed into 50.0 g of water at 22.0 degrees Celsius in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the system is 31.1 degrees Celsius, what
Due to an Internet configuration error, packets sent from New York to Los Angeles are routed through El Paso, Texas with probability 3/4. Given that a packet is routed through El Paso, suppose it has conditional probability 1/3 of being dropped.
On a certain aircraft, the main control circuit on an autopilot fails with probability p. A redundant backup circuit fails independently with probability q. The aircraft can fly if at least one of the circuits is functioning.
The total operating revenues of public transportation authority are $100 million while its total operating costs are $120 million. The price of a ride is $1, and the price elasticity of demand for public transportation has been estimated to be
A person with mass mp = 70 kg stands on a spinning platform disk with a radius of R = 2.13 m and mass md = 187 kg. What is the final angular velocity of the disk
Using Excel's regression function in the Data Analysis menu. (b) Using the coefficients found in the regression estimate, enter a formula (based in cells C6 through J6 to forecast the sales revenue when quality control goes from $2 million to $
For a transformer with a line voltage of 34.5 KV on the primary and a line voltafe of 480V. Calculate Vphase primary and secondary,P,Q, and S for each of the following transformer connections and loads.
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