Mathematics, 27.10.2020 23:00, granthazenp5e9mj
1. In one of the first attempts to discover the speed of light, Simon Newcomb in 1882 made 66
measurements of the time light takes to travel between the Washington Monument and his
laboratory on the Potomac River. Why did Newcomb repeat his measurement 66 times and the take
the average of the 66 as his final result?
(a) Averaging several measurements reduces any bias that is present in his instruments.
(b) The average of several measurements is more reliable (less variable) than a single measurement.
(C) Even if a measuring process is not valid, averaging several measurements made by this process
will be valid.
(d) Both (a) and (b) but not (C).
(e) All of (a), (b), and (C).
Answers: 1
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The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?
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1. In one of the first attempts to discover the speed of light, Simon Newcomb in 1882 made 66
measu...
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