Estimate the proportion of rainy days
The number of traffic accidents in a town in 10 randomly chosen rainy days in 2012 is as follows: {4, 0, 6, 5, 2, 1, 2, 0, 4, 3). Use these data to estimate the proportion of rainy days in this town that had 2 or fewer accidents that year.
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Nitrogen gas at 60 kPa and 7° C enters an adiabatic diffuser steadily with a velocity of 275 m/s and leaves at 85 kPa and 27° C. Determine (a) the exit velocity of the nitrogen and (b) the ratio of the inlet to exit area A1/A2.
Given that Sxx = 265, Syy = 172, and Sxy = 184, what is the value of the linear correlation coefficient?
What does it mean to say there is error in our regression?
A 10-kg block is attached to spring A and connected to spring B by a cord and pulley. The block is held in the position shown with both springs unstretched when the support is removed and the block is released with no initial velocity.
Is globalization a form of Western imperialism that may homogenize non-Western values? Why or why not? Can homogenization be avoided or mitigated?
So why don't the electric fields for the infinite line and infinite sheet of charge also fall off in the same way? Hint: As the Gaussian surface gets very far from the source charge, look at what its characteristics depend on.
(i) Explain physically how one can use Gauss's Law to find the electric field of a long (infinite) charged wire? (ii) Now do the same for a finite charged wire, explain why you can still use Gauss's Law but it's not useful to use in the case.
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