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?
At a section downstream at ground level, the pipe diameter is 0.15 m. Find the gage pressure at the downstream section if frictional effects may be neglected.
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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