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A recent study of 280 people showed that between about 70 and 80 percent of Americans over 60 do not have enough savings to retire.
A) What is the sample proportion in decimal form?
B) Find the margin of error in decimal form
C) What is the number of people in the survey who do not have enough to retire?
A conveyer belt with an incline of 10 degrees, is designed to load gravel into the center of a truck bed located 9 feet away from the end of the belt, Determine the velocity of the belt
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A solid sphere of weight 8.00 lb rolls up an incline with aninclination angle of 30.0 degrees. How far does the sphere travel up the incline
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When a 0.045 kilogram golf ball takes off after being hit, its speed is 35 m/s. Determine how much work is done on the ball by the club
A satellite has a mass of 7930 kg and is in a circular orbit 9.88 x106 m above the surface of a planet. The period of the orbit is 16.1 hours. The radius of the planet is 3.16 x106 m. What is the true weight of the satellite when it is at rest on the..
How much charge passes through the hair dryer. Find the magnitude of the magnetic field at the center of the square.
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