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A random sample of size 56 from a normal population showed a mean of 63 and a sum of squares of deviation from the mean equals to 180. Can this sample be regarded as taken from the population having 65 as mean at 1% level of significance?
1.an in-line six cylinder 6.6 liter four-stroke cycle si engine with multiple port fuel injection operates at 3000 rpm
a first class lever in static equilibrium has a 50lb resistance force and 15lb effort force. the levers effort force is
Assume they test null hypothesis H0: versus H1: Will the engineers decide to use the steel if H0 is rejected? Will the engineers decide to use the steel if H0 is not rejected?
Determine the COP of the heat pump that applies energy to a house at a rate of 4500kj/h for each kW of electric power it draws. Also, determine the rate of the energy absorption from the outdoor air.
What are the knot values? How many different curves is the B-spline curve composed of? Expand the B-spline curve equation to get the separate equations of the curves in b.
a man having the mass of 73 kg sits in the chair which is pin-connected to the frame bc. if the man is always seated in
calculate the quality of the system to begin with. calculate the amount of liquid water to begin with. calculate the heat transfer during the heating process.
the air velocity in a duct is measured by a Pitot-static probe connected to a differential pressure gage. if the air is at 13.4 psia absolute and 70 degrees C and the reading of the differential pressure gage is 0.15 psi, determine the air velocit..
a remote sensing satellite is deployed in a circular sun-synchronous orbit with inclination 96.85deg. a. calculate
An ideal vapor-compression refrigeration system operates at steady state with Refrigerant 134a as the working fluid. Superheated vapor enters the compressor at 30 lbf/in2, 20F, and saturated liquid leaves the condenser at 140 lbf/in2. The refriger..
Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness and Describe the fracture behaviour of the insulation tape loaded with a small crack. Explain w..
Gear A rotates with an angular velocity of 100 rpm clockwise. Knowing that the angular velocity of arm AB is 50 rpm counterclockwise, determine the corresponding angular velocity of gear B.
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