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The phone lines to an airline reservation system are occupied 40% of the time. Assume theevents that the lines are occupied on successive calls are independent. Assume that 10 calls areplaced to the airline. Let Xbe the number of lines that are occupied.
a. What is the name of the probability distribution of X? Obtain the pdf and the cdf tables for this distribution.
b. What is the mean of this distribution?
c. What is the standard deviation of this distribution?
Shoveling snow can be extremely taxing since the arms have such a low efficiency in this activity. What is her useful power output
A 16-QAM modulator with 2 voltage levels uses maps the symbols on equal phases on both voltage levels. Draw the signal space (constellation) for your assumed phase angles.
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
A charge Q1 = 6u is at the origin of an x y coordinate system, What are the magnitude and direction of the force of Q2 on Q1, What are the magnitude and direction of the force of Q3 on Q1
Suppose that a simple pendulum consists of a small 58.0 g bob at the end of a cord of negligible mass. What is the pendulum's length
A 191g oscillator has a speed of 96.50cm/s when its displacement is 2.70cm, What is the oscillators maximum speed
A lighthouse that rises h1 = 43.6 ft above the surface of the water sits on a rocky cliff that extends $d$ = 20.0 ft from its base, as shown in the figure below. A sailor on the deck of a ship sights the top of lighthouse at an angle of $theta$ = 29...
An electric field of 7.85 105 V/m is desired between two parallel plates, each of area 38.0 cm2, What charge must be on each plate
If a charge of 0.30 C passes through a person's chest in 1.0 s, If this rate of charge transfer persists for 4.4s, how many electrons pass through the chest
A 280g ball is dropped from a height of 1.6m , bounces on a hard floor, and rebounds to a height of 1.1m. What maximum force does the floor exert on the ball
The two forces in each pair could have different physical origins (for instance, one of the forces could be due to gravity, and its pair force might be due to friction or electric charge).
A physics demo launches a ball horizontally while dropping a second ball vertically at exactly the same time. Which ball hits the ground first? and why
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