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The number of parking tickets issued in a certain city on any given weekday has a Poisson distribution with parameter = 50. What is the approximate probability that 1 between 35 and 70 tickets are given out on a particular day? [Hint: When is large, a Poisson rv has approximately a normal distribution.] 2 The total number of tickets given out during a 5-day week is between 225 and 175?
Assume that during the analyze stage an obvious solution is discovered. Should that solution be immediately implemented and the remaining steps of DMAIC abandoned?
The plate is submerged in a liquid is a vertical position with the parallel sides horizontal and the shorter parallel side at the top and exactly in the surface of the liquid.
Air (an ideal gas) enters an adiabatic nozzle at 3 bar and 38 C and exits at 1 bar and -0.78 C. The process is steady. If the velocity at the inlet is 1 m/s, determine the exit velocity and the ratio of the exit area to the inlet area.
Water at 20ºC flows at a velocity of 2 m/s in a 200-mm diameter horizontal ductile-iron pipe. a) Estimate the friction factor in the pipe, and state whether the pipe is hydraulically smooth or rough.
What is the name of the text book and author used for thr course CEE30 in the spring quarter of 2013, at University of California Irvine?
A stream of Refrigerant-134a at 1 MPa and 12 C is mixed with another stream at 1 MPa and 60 C. If the mass flow rate of the cold stream is twice that of the hot one, determine the specific volume of the exit stream.
A 100 gram piece of ice cooled at -20 degrees Celsius is placed in the calorimeter. What is the final temperature of the system, and what mass of ice and water remains
Show that the drinking water standard of 10 mg/L nitrate as nitrogen is equivalent to 45 mg/L nitrate. How is nitrate related to TN and TKN?
Three streams of polluted air are combined prior to treatment in an electrostatic precipitator (ESP). The flow and particulate concentration of each stream are 600 cfm at150 mg/m^3, 700 cfm at 200 mg/m^3, and 500 cfm at 1000 mg/m^3.
the 15,000 kg boxcar A is coasting freely at 1.5 m/s on the horizontal track when it encounters a tank car B having a mass of 12,000 kg and coasting at 0.75 m/s toward it. If the cars meet and couple together
North City must choose between two new snow-removal machines. The SuperBlower has a $70,000 first cost, a 20 year life, and an $8000 salvage value. At the end of 9 years , it will need a major overhaul costing $19,000.
vehicle manufacturer is considering an engine for a new sedan (Cd=0.34, Af=22ft^2). the car is being designed to achieve a top speed of 100 mi/h on a paved surface at sea level (p=0.002378 slugs/ft^3).
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