Probability density function
The probability density function f(x) = x/8 exists for the interval 3 < x < 5. What is Prob(X > 4)?
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If the elevation points A and B, relative to the elevation at point c, are -3.3ft and -4.3 ft, determine the angle between the soil surfaces normal direction and the vertical, and if the surface is sufficiently level.
Determine the magnitude of his tangential acceleration at the same instant.
An American firm is evaluating an investment in Mexico. The project will require purchasing equipment from a variety of sources and shipping it to Mexico.
A tried-and-true revenue stream for large cities has been the funds collected from parkingn meters. In a random sample of 21 meters, the mean amount collected was $127 per meter with a standard deviation of $34. You want to estimate the mean amoun
Suppose the coefficient of static friction between the road and the tires on a car is 0.844 and the car has no negative lift. What speed will put the car on the verge of sliding as it rounds a level curve of 35.5 m radius?
According to the US Census Bureau, 7.1% of Americans living in 2004 were between the ages of 20 and 24. You take a random sample of 500 Americans and find that 28 of them are between 20 and 24 years old. Has the proportion of Americans aged 20-24
A friend wants to retire in 35 years when he is 60. At age 25, he can invest $100/month that earns 6% each year. But he is thinking of waiting ten years, and then investing $200/month to catch up, earning the same 6% per year.
first find the moment of inertia of the bar about an axis perpendicular to the plane and passing through the center of mass of the bar.
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