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A hydraulic motor has volumetric efficiency 90% and operates at-a speed of 1750 rpm and a pressure of 1000 psi. If the actual flow rate consumed by the motor is 75 gpm and the actual torque delivered by the motor is 1300 in.-Ib, find the overall efficiency of the motor.
a. Distribution of sample slope b1 for regression of foot length on height for small random samples
Personal phone calls received by a new employee was 3,5, and 6. assume that samples of size 2 are randomly selected with replacement from this population of three values. Find the mean of the distribution.
Suppose the pollster has no prior information about the proportions. If equal numbers of men and women are to be polled, how large should the sample sizes be?
Based on the data gathered by the Cordage Institute, can it be concluded that there is a difference in the average breaking strength of nylon, polyester.
1. a random sample is collected of size n from a population with standard deviation and with the data collected a 95
the slider p moves inward by pulling a string is not shown. the arm angular position is given in radians by theta
suppose we wanted to compare the somatic complaints as shown on a scale known as pss of 3 groups of people non-smokers
Describe the data displayed in the chart and what conclusion you could draw.
The weight of cans of fruit is normally distributed with a mean of 1,000 grams and a standard deviation of 50 grams. What percent of the cans weigh 860 grams or less?
A polulation has standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600.At 95% confidence, the margin of error is?
Ages of presidents Joe is writing a report on the backgrounds of American presidents. He looks up the ages of all the presidents when they entered office.
How significant is project time management in respect to project planning--use the PMBOK® Guide to steer your discussion?
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