Confidence interval for average age of population
A random sample of 16 CSN students is taken. The average age in the sample was 27 years with a standard deviation of 4 years. Construct and interpret a 95 % confidence interval for the average age of the population.
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A uniform solid sphere is rolling without slipping along a horizontal surface with a speed of 5.50 m/s when it starts up a ramp that makes an angle of 25.0 degrees with the horizontal. What is the speed of the sphere after it has rolled 3.00 m up
Let fx(X) = 0 if x>2 or 1/2(1-(x/2)) if x<2 be the density function of a random variable x. Find the characteristic function of x.
Compresion is adiabatic to 9 bar, 60C ,and saturated liquid exits the condenser at 9 bar. Draw the (T-S) diagram of the cycle and determine the cooling capacity of the system, in tons.
A coal car m1 = 3411 kg is rolling down the tracks at a velocity of vi = 2.6 m/s when a loader drops a load of coal m2 = 5411 kg into the car. Part (a) What is the momentum of the system in kg m/s before the coal is added?
Calculate the compressibility factor of the surface of the planet. Also determine the volume of 5 kg of carbon dioxide vapor at the surface.
A sample of Alzheimer's patients is tested to assess the amount of time in stage IV sleep. The number of minutes spent is Stage IV sleep is recorded for a random sample of 61 Alzheimer's patients. The sample produced a mean of 48 minutes of stage
A BB gun is fired at a cardboard box m2 = 1.85 kg on a frictionless surface. The BB has a mass of m1 = 0.044 kg and travels at a velocity of v1 = 93 m/s. It is observed that the box is moving at a velocity of v2 = 0.93 m/s after the BB passes throu
A student m = 97 kg runs at a velocity vi = 2.85 m/s before jumping on a skateboard. After jumping on the board the student has a velocity vf = 2.35 m/s. Part (a) Write an expression for the weight of the skateboard W.
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Discuss what you consider the most important social justice issue(s) today. What sparked your interest in this issue? What is the role of a social worker
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