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Problem: More sampling on campus. You would like to start a club for psychology majors on campus, and you are interested in finding out what proportion of psychology majors would join. The dues would be $35 and used to pay for speakers to come to campus. You ask 5 psychology majors from your senior psychology honors seminar whether they would be interested in joining this club and find that 4 of the 5 students questioned are interested.
Required:
1. Is this sampling method biased, and, if so, what is the likely direction of bias?
Who came up with the idea that matter is composed of tiny, indivisible particles - Rutherford's experiment showed that
A raindrop of mass 3.35 10 -5 kg falls vertically at constant speed under the influence of gravity and air resistance. Model the drop as a particle. As it falls 100 m,what is the work done on the raindrop (a) by the gravitational force and (b) by air..
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Two capacitors are connected to a battery. The battery voltageis V = 50 V, and the capacitancesare C1 = 2.00 μFand C2 = 4.00 μF. Determine the total energy stored by the two capacitors when they arewired (a) in paralleland (b) in series.
In each of the four scenarios to the right, a large bat lets out a short burst of ultrasonic sound, which the smaller bat hears a moment later. If the large bat flies at 14.60 m/s and the small bat flies at 4.520 m/s, rank the frequency that the s..
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A transformer has 390 turns in the primary coil and 230 in the secondary coil. What kind of transformer is this, By what factor does it change the current
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