Uniform distribution for a random variable
Given a Uniform Distribution for a random variable X on the interval 1 to 11. What is the probability for X being greater than 5 and less than 7? What is the probability that X is greater than 6?
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If the protons all passed through the atmosphere, each square meter of Earth's surface would intercept protons at the average rate of 1800 protons per second. What would be the electric current in amperes intercepted by a 51 x 107 km2 area on the
Calculate the t-statistic for this problem. How many degrees of freedom for the t-statistic problem have?
The minimum enclosed volume is 14 percent of the maximum enclosed volume. How much power will this engine produce when operated at 2500 rpm? Use constant specific heats at room temperature.
A circular rod has a radius of curvature R and a uniformly distributed charge Q and it subtends an angle, θ, in radians. What is the magnitude of the electric field it produces at the center of the curvature?
The height from the ground to the top of the stairs is 2 ft. Based on ADA codes, the slope must be 1:12 or less. What is the ideal mechanical advantage of the ramp?
Suppose you have a histogram that shows relative frequency. How do you calculate the proportion of the sample that lies between any two of the histogram bars?
The electrical resistance on a long piece of wire is R. The wire is streatched to be twice as long, and because the volume doesnt change its cross-sectional area is halved. The electrical resistance of the stretched wire is:
What is the specific volume of water at 50 MPa and 80 degrees Celcius. What would it be if the incompressible liquid approximation is used?
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