Replacement from a box of numbered tickets
200 draws are made with replacement from a box of numbered tickets; these tickets are labeled either -2 or 3. Is it possible for the expected value of the sum to be 50? Justify your answer.
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In a game of chance, a number of draws are made with replacement from a box of tickets; 500 of these tickets are labeled ?1 and 450 of these tickets are labeled 1, and the winnings are equal to the sum of draws. Determine whether 50 draws or 500 d
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An AM radio station broadcasts an electromagnetic wave with a frequency of 599 kHz, whereas an FM station broadcasts an electromagnetic wave with a frequency of 90.1 MHz. How many AM photons are needed to have a total energy equal to that of one F
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Scores on an endurance test for cardiac patients are normally distributed with the mean=185 and standard deviation=10.
What load rating should be used to enter the Timken Company catalog where it rates the bearings for 3000 h at 500 rev/min?
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