Z-score corresponding to value
Scores on a standardized test are normally distributed with a mean of 100 and a standard deviation of 12. An individuals test score is found to be 125. Find the z-score corresponding to this value.
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Air enters an evaporative cooler at 1 atmosphere, 36°C, and 20 percent relative humidity at a rate of 4 m3/min. Determine (a) the exit temperature of the air and (b) the required rate of water supply to the evaporative cooler.
A farmer was interested in determining how many grasshoppers were in his field. He knows that distribution of grasshoppers may not be normally distributed in his field due to growing conditions.
The acceleration is given by the vector a = 2.0 m/s2 + 5 m/s2 . (a) Find the velocity vector at t = 10.0 s. (b) Find the position vector at t = 1.0 s. (c) Give the magnitude and direction of the position vector in part (b).
Using the Morse equation, which we haven't discussed, I get aninside pressure of 4.8 atm, an outside pressure of 0.48 atm, and a pressure difference of 4.3 atm. What do you think accounts for any differences or similaritiesbetween my answers and y
Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. Find the percentage of buyers who paid: less than $146,600 if the standard deviation is $1700.
How many moles of potassium chloride are formed when 5.0 moles of chlorine are reacted with potassium bromide to produce bromine and potassium chloride??
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A cowboy fires a silver bullet of mass 5g with a muzzle speed of 257 m/s into the pine wall of a saloon. What is the temperature change of the bullet?
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