Results and compare the widths of the confidence intervals
In a survey of 9000 females. 6431 say they change their nail polish once a week. Construct 90% and 95% confidence intervals for the population proportion,. Interperet the results and compare the widths of the confidence intervals.
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Determine the average resistance R to motion over the runway length due to drag (air resistance) and mechanical retardation by the landing gear.
A single conducting loop of wire has an area of 7.1×10?2 m^2 and a resistance of 120 ohms. Perpendicular to the plane of the loop is a magnetic field of strength 0.55T. At what rate (in T/s) must this field change if the induced current in t
The electric field from a radio station some distance from the transmitter is given by (10^-4N/C) cos 10^6t, wheretis in seconds. (a) What peak voltage is picked up on a 32 cm wire oriented parallel with the electric field direction?\
Determine the microstructure for eutectoid steel that has undergone the following heat treatment. For each heat treatment you may assume that you start with austenite at 760ºC.
The objective mirror of the Mt. Palomar telescope has a 200-inch diameter. If an ocular with a diameter of 0.90 inches is used, what is the ratio of the intensity of light emerging from the ocular to the intensity of incident light?
What is the angular separation between two stars that are barely resolved by the average eye, when viewed through a good-quality astronomical telescope with an angular magnification of 73.3? (The minimum angular separation that can be resolved by
A solution is poured into a conical filter of base radius 12m and vertical height 15 m at a uniform rate of 8.4 m3/s and filters out at 6.4 m3/s. What is the rate of rise of the level of the solution when the depth is 9 m?
A coil of wire is connected to an ideal 9.0-V battery at t = 0. At t = 15.8 ms, the current in the coil is 204 mA. One minute later, the current is 270 mA. a.) Find the resistance of the coil. b.) Calculate the inductance of the coil.
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