Estimate a population proportion or percentage
Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error: 0.08; confidence level 90%; p-hat and q-hat unknown N=__
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Two points B and C lie on radial line of a rotating disk. The points are 2 inches apart. VB=700 ft/min and VC=880ft/min. Find the radius of rotation for each of these points.
A boat carrying passengers weighs 1200lbs. If the boat is moving in a circular path with a radius of 40ft and a constant speed of 20ft/s what are it the Normal and Tangential Forces acting on it?
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Write the necessary vector equation using subscrips P for plane and A for air. Lay out the vectors using a scale of 1mm=4km/h and scale off results.
The coefficient of static friction between the package and the ramp is μk= 0.12 If the constant of the spring is 700 lb/ft, how far from the point of contact with the spring is the package brought to rest?
An electron with a kinetic energy of 10eV is moving from left to right along the x-axis. The potential energy is V=0 for x<0 and V=20eV for x>0. Treat the elctron as a one-dimensional plane wave.
If the mean age at diagnosis of all people with early onset dementia is 55 years, find the probability that a random sample of 21 such people will have a mean age at diagnosis less than 52.5 years.
The problem says that we have a 3-axis stabilized satellite with a power budget of 1500 watts for the communications payload, 500 watts for the spacecraft bus. The on-board Travelling Wave Tube Amplifiers (TWTA) are 30% efficient.
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