Quality control inspector
In a manufacturing process, a quality control inspector selected three items at random. Items can be either defective or not defective, with equal probability. What is the probability of getting more than two defective items?
.125
.25
0.50
.375
.75
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Estimate the fraction of this power that is converted into the energy of sound waves. Assume the dimensions of the oven are 24.8 cm by 16.6 cm by 43.5 cm and the sound level is uniform over the outer surface.
The amount of energy required to bring the vehicle to a stop is 600 KJ. Can you calculate the speed at which the brakes began in km/hr?
Excess electrons are placed on a small lead sphere with a mass of 8.35 so that its net charge is -3.65×10^-9 . Find the number of excess electrons on the sphere.
The pipe assembly is secured on the wall by the two brackets. If the weight of the flower pot is 50 lb. Determine magnitude of the moment produced by the flowerpot about the OA axis (MOA =132 lb-ft).
Give three examples where descriptive statistics are misleading. What should be done about this problem?
What are some of the pitfalls when using regression equations in forecasting the future? Be specific.
Suppose the lifetime of a particular appliance follows an exponential distribution with a mean of 10 years. What is the probability that the appliance will fail in less than 5 years?
A piston-cylinder device initially contains 0.6 m3 of water vapor at 250 kPa. Determine the total amount of heat transfer (kJ) during the process.
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