Calculating standard deviation
1. What information does calculating standard deviation provide? How is the z-score related to standard deviation?
2. What values do you need to calculate a z-score?
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Apprx 10.3% of americans high school students drop out bf graduation. Choose 10 students entering school at randon, find the proability and the number of successes= graduates
The skis have a thrust of 270 N and a coefficient of kinetic friction on snow of 0.13. Unfortunately, the skis run out of fuel after only 15 s. What is Sams tops speed? How far has Sam traveled when he finally coasts to a stop?
Calculate the limestone feed rate, lb/hr. Assume that the flow rate exiting the scrubber is 800,000 acfm and the scrubber pressure drop is 10 in. H2O. Calculate the fan power used just by the scrubber, in hp.
Ignoring taxes, when will EPS be identical for Plan I and II? D. Repeat parts (a), (b), and (c) assuming that the corporate tax rate is 35%. Are the break-even levels of EBIT different from before? Why or Why not?
What information does calculating standard deviation provide? How is the z-score related to standard deviation? What values do you need to calculate a z-score?
A 1.54 wide, 1.34 high, 1400 car hits a very slick patch of ice while going 20.0 . Air resistance is not negligible. If friction is neglected, how long will it take until the car's speed drops to 17.0m/s? To 11.0m/s?
Assuming that only CaSO3 is produced, calculate the daily production rate (in tons/day) of a 55%-solids sludge from a 90%-efficient limestone FGD system on a 600-MW power plant burning 3.5%-sulfur coal.
Crandon Company acquires an ore mine at a cost of $6,300,000. It incurs additional costs of $500,000 to access the mine, which is estimated to hold 1,000,000 tons of ore.
The grains composing polycrystalline metals tend to have weights that follow a log-normal distribution. For a type of aluminum, gram weights have a log-normal distribution with ? = 3 and ? = 4 (in units of 10-2g).
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