What is the population variance
A population of N = 10 scores has a mean = 50 and a standard deviation = 5. What is the population variance?
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Find the z* values based on a standard normal distribution for an 86% confidence interval for a proportion, for a 78% confidence interval for a mean.
Determine: a) the mass flow rate of the steam,(6.13 lbm/s) b) the rate of entropy generation for this process. Assume an ambient temperature of 77°F (0.0395 Btu/s-R).
Find the p-value based on a standard normal distribution for the standardized test statistic and provided alternative hypothesis. z= -1.86 for Ha: p <0.5
A 4 kg box is pushed up a frictionless 30 degree incline with a force of 40N. This 40 N force is parallel to the incline. Find the acceleration of the box and the magnitude of the normal force exerted by the box on the incline.
The angular velocity of linkABis w(AB)= 4.6 rad/s. Determine the magnitude of the velocity of the block at Cat the instant theta= 45and phi= 30.
Explain the concept of equivalent annual cost and how it is used to compare projects with different lives. Explain how we decide the optimal time to replace an existing asset with a new one.
No entry has been made to remove from the accounts forMaterials, Direct Labor, and Overhead the amounts properly chargeable to plant asset accounts formachinery constructed during the year.
Determine the air pressure inside the chamber (in atm) after compression if the initial air pressure is 1.0 atm. Assume "air" is comprised of a series of ideal gases.
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