What is the expection
In a dice game, if a players rolls a 5 or a 7 she wins $10.00. if she rolls a 9, she wins 5.00 .. the cost to play the game is $2.
a) What is the expection?
b) Explain why the game is not fair?
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Two blocks of steel (Cp=0.11 Btu/lbm ºF), one at 800ºF and the other at 300ºF are brought into contact in an insulated container and allowed to reach thermal equilibrium. What is the change in entropy of the universe?
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It is found that the reflected light from a surface is completely polarized when the angle of incidence is 53.8 degrees. What is the index of refraction of the reflecting material?
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In a dice game, if a players rolls a 5 or a 7 she wins $10.00. if she rolls a 9, she wins 5.00 .. the cost to play the game is $2. What is the expection?
A stream of methane initially at 60 °F and 400 psia is compressed in a single stage compressor to 1000 psia by a compressor with an operating efficiency of 0.85.
The slab has a uniform positive charge density p. Now let the charge density of the slab be given by p(x) = p0(x/d)^2, where p0 is a positive constant.
Two non-repeating letters and two numbers will be used to form an identification badge. The letters are "A" through "K" and the last number MUST BE EVEN. How many different identification badges are possible?
A beam of monochromatic green light is diffracted by a slit of width 0.550 mm. The diffraction pattern forms on a wall 2.06 m beyond the slit. The distance between the positions of zero intensity on both sides of the central bright fringe is 4.10
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