How much work is done to lift car with the given mass
The car with the mass of 1200 kilograms is raised to the height of 2 meters on the lift. How much work is done by lift? How much power is needed to achieve this in 10 seconds?
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In an attempt to compare the starting salaries for university graduates who majored in education as well as social science, random sample of 100 recent university graduates were selected from each major and the following sample information was obt
The accompanying data on x = current density and y = rate of deposition appeared in the article "Plating of 60/40 Tin/Lead solder for Head Termination Metallurgy".
Angle of elevation of top of the pole as seen from the pont 17 feet away from base is double angle of elevation as seen from the point 48 feet further from pole. Determine height of pole above level of observer's eyes.
A survey of 1000 fatal accidents showed that the 400 were alochol related. Determine a point for p the population proportion of accidents that were alochol related.
An item is present in a list of n items with probability p; if it is present, its position in the list is uniformly distributed. A computer program searches through the list sequentially. Find the expected no. of items searched through before the
Suppose that relationship between monthly rent p and demand x is linear. Write down equation of line giving demand x in terms of p.
78.3% of the variation in length of eruption is explained by the least-squares regression equation. 78.3% of the variation in length of eruption is not explained by the least-squares regression equation.
A simple random sample of 40 items resulted in sample mean of 25. The population standard deviation is 5. Determine the standard error of the mean (to 2 decimals)?
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