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Continuing problem 15-15, suppose that a second random sample of 20 days reveals an average of 5,020 barrels and standard deviation of 650. Create a new 95% HPD credible set.
Problem 15-15
An article in Forbes discusses the problem of oil and gas reserves around the world.6 Forecasting the amount of oil available is difficult. If the average number of barrels that can be pumped daily from an oil field is a normal random variable with mean 7,200 barrels and standard deviation 505 barrels, and a random sample of 20 days reveals a sample average of 6,100 barrels and standard deviation of 800, give a 95% highest-posterior-density credible set for the average number of barrels that can be pumped daily.
A long and narrow rectangular loop of wire of width 0.080 m is moving toward the bottom of the screen with a speed of 0.020 m/s. The loop is leaving a region in which a 3.0-Tmagnetic field exists; the magnetic field outside this region is zero.
Unpolarized light with an intensity of 910 W / m2 is incident on a polarizer with an unknown axis. What is the angle between the axes of the polarizers
Two point charges 2.0cm apart have an electric potential energy -400?J . The total charge is 25nC, What is the lesser and larger charge
(a) What is the magnitude of the impulse on the lizard during the slap? (Assume this impulse is directly upward.) (b) During the 0.613 s duration of a step, what is the downward impulse on the lizard due to the gravitational force? (Clearly the pus..
The loop consists of a single turn of flexible conducting wire that is wrapped around a flexible mount such that the dimensions of the rectangle can be changed.
A man is riding a racing bike, and its wheels have an angular velocity of +23.5rad/s. Find what is the angular acceleration of each wheel
The spring and making a variable change for the displacement of mass
A small button placed on a horizontal rotating platform with diameter 0.295 m will revolve by the platform when it is brought up to a speed of 30.0 rev/min, provided the button is no more than 0.132 m from the axis.
a boy pulls a loaded wagon having a total mass m=100kg. He applies a constant force F=100N along the handle at 30 degrees, compute the horizontal force on the wagon
Two objects move by initial velocity -8.00 m/s, final velocity 16.0 m/s, and constant accelerations. (a) The first object has displacement 20.0 m. Discover its acceleration. (b) The second object travels a total distance of 22.0 m. Discover its accel..
You drop a 297-g silver figure of a polar bear into the 245-g aluminum cup of a well-insulated calorimeter containing 257 g of liquid water at 22.7°C. What is the final temperature of the water, cup, and bear
Two long, straight wires are parallel and are separated by a distance of d = 0.230 m, The top wire in the sketch carries current I1 = 3.80 A, toward the right, and the bottom wire carries current I2 = 7.00 A, what are the magnitude and direction of t..
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