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1. In the US, the distribution of albumin levels in cerebrospinal fluid is 29.5 ± 2.1 mg/100ml.
a) What proportion of the mean lie above 35mg/100ml?
b) What is the albumin level corresponds to the upper 5% of the distribution?
Question 2:
In a study designed to test whether or not there is a difference between the average heights of adult females born in two different countries, random samples yielded the following results: in the first country the number of subjects was 120, the mean and standard deviation 62.7 ± 2.5 inches; in the second country these values were 150 and 61.8 ± 2.62 inches, respectively. Is there any statistically significant difference between the two groups? Write all steps as learned in class for your statistical analysis.</pclass="msonormal">
How much energy can be stored in a capacitor with two parallel plates, each with an area of 64.0 cm2 and separated by a gap of 1.7 mm, filled with porcelain whose dielectric constant is 5.9, and holding equal and opposite charges of magnitude 370. ?C
On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s, What are the magnitude and direction of the velocity of the red glider after the collision
very long straight wire has charge per unit length 1.41×1010C/m . At what distance from the wire is the magnitude of the electric field equal to 2.40N/C
A narrow beam of natural light shines onto a flat sheet of polystyrene (np = 1.59) 1.00 cm thick, and it is found that the reflected beam is linearly polarized. At what angle will the transmitted beam leave the sheet on its bottom side?
Find the acceleration of all blocks. Do not assume the slope to be frictionless, but assume that block A is in motion.
voltage amplifier stages having the characteristics show in the following table are available. the signal source has
A hiker weighing 565 N carries a 186 N pack up Mt. Whitney (elevation, 4420 m), increasing her elevation by 3000 m. Find the minimum internal work done by the hiker's muscles
In the circuit show in the figure, S1 has been closed for a long enough time so that the current reads a steady 3.5A. What is the maximum charge that the capacitor will receive
A 58-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. He would like to move toward his spaceship, How fast is the astronaut moving after he throws the mallet
Transverse waves with a speed of 48.7 m/s are to be produced on a stretched string. What is the required tension in the string
A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.29 T. What is the magnitude of the field used for the electron
A 220 g top spinning at 14 rev/s makes an angle of 30° to the vertical and precesses at a rate of 1 rev per 8.0 s. what is the moment of inertia of the top
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