Expected value of the bill drawn first
A box contains one twenty-dollar bill and four one-dollar bills. Two bills are randomly chosen, one at a time, without replacement.
a. Find the expected value of the bill drawn first.
b. Find the expected value of the total amount drawn.
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A box contains one twenty-dollar bill and four one-dollar bills. Two bills are randomly chosen, one at a time, without replacement. a. Find the expected value of the bill drawn first.
The solar constant is the flux of the Sun's radiation at the top of the Earth's atmosphere. Calculate it's value assuming that the sun is a blackbody with an effective temperature of 5800 K, a radius of 7*10^10 cm, and is 1.5*10^13 cm distant from
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