A box contains one twenty-dollar bill and four one-dollar

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.

Each two years a man trades his car for a new car if he has : each two years a man trades his car for a new car. if he has a ford he trades it for mercedes-benz . if he has a

At the beginning of compression p1 85 kpa and t1 305 k : an air-standard otto cycle has a compression ratio of 7.5. at the beginning of compression p1 85 kpa and t1 305 k.

A box contains 100 bulbs 2 of which are defective and the : a box contains 100 bulbs 2 of which are defective and the remaining are non-defective. one bulb is selected after

The solar constant is the flux of the suns radiation at the : the solar constant is the flux of the suns radiation at the top of the earths atmosphere. calculate its value assuming

A box contains one twenty-dollar bill and four one-dollar : a box contains one twenty-dollar bill and four one-dollar bills. two bills are randomly chosen one at a time without

The condenser operates at 10 kpa determinea the mass flow : a steam power plant implements an ideal reheat rankine cycle. steam enters the inlet of the high-pressure turbine at 8

A sample of 65 night-school students ages is obtained in : a sample of 65 night-school students ages is obtained in order to estimate the mean age of night-school students. x

A wire 10 m long with a diameter of 10 mm has a resistance : a wire 10 m long with a diameter of 1.0 mm has a resistance of 5.0 ?. the resistance of a second wire made of the same

Will the managers incentives to replace the metal press : your firm uses return on assets roa to evaluate investment centers and is considering changing the valuation basis of