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Question: A study was conducted to determine whether a relationship existed between certain shareholder characteristics and the level of risk associated with the shareholder's investment portfolios. As part of the analysis, portfolio risk was divided into low risk, medium risk and high risk.The results of the analysis are shown in the following table. Test, at the 5% level of significance, whether a relationship exists between investor income level and risk level.
four identical metallic objects carry the following charges 1.29 6.21 -4.54 and -9.14c. the objects are brought
What is least amount of work required by an external force
An electron enters a parallel plate capacitor with a speed of 5.45e+06 m/s. An electric field in the capacitor has deflected the electron downward by a distance of 0.618cm after traveling a horizontal distance of 2.25cm. Find the magnitude of the ele..
A 2.0 kg, 20-cm-diameter turntable rotates at 100 rpm on frictionless bearings. Two 500 g blocks fall from above; hit the turntable simultaneously at opposite ends of a diagonal, and stick. What is the turntable's angular velocity, in rpm, now after ..
A tank of a car holds 16 gallons , a liter is .264 gallons, 1 inch equal 2.54 cm, and 1mile equal 1609 m, how many km can it travel on one tank if it gets 25mpg
a small glass bead charged to 7.4nc is 4.0cm from a thin uniformly charged 10--cm long glass rod. the bead is repelled
a coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy
A 62.3-kg skateboarder starts out with a speed of 2.22 m/s. He does 108 J of work on himself by pushing with his feet against the ground. How much has the vertical height of the skater changed
A load of steel of mass 6000 kg rest on a flat bet truck. It is held in place by metal brackets which can exert a maximum horizontal force of 8000 N. When the truck is traveling 20 m/s, what is the minimum stopping distance if the load is not to s..
Write a paper follow below instructions: -the three classes of pumps which are, positive displacement, momentum transfer and entrapment
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 80.5 kg and a radius R = 0.625..
A mini-fridge needs to maintain a temperature of 277 K. The air outside the mini-fridge has a temperature of 292 K. What is the power output (that is, the work done per second) of the compressor in the mini-fridge
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