The maximum rise for a set of stairs without a landing is typically _____.
a. 9 feet
b. 10 feet
c. 12 feet
d. 15 feet
Answer: C
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The volume of a cylinder is given by 
where r is the radius of the cylinder and h is the height. Assume the radius, in cm, is lognormal with parameters 
= 1.6 and 
= 0.04, the height, in cm, is lognormal with parameters 
= 1.9 and 
= 0.05 and that the radius and height are independent.
a. Show that V is lognormally distributed, and compute the parameters 
b. Find P(V < 600).
c. Find P(500 < V < 800).
d. Find the mean of V.
e. Find the median of V.
f. Find the standard deviation of V.
g. Find the 5th percentile of V.
h. Find the 95th percentile of V.
Plants grown for recreation and ornamental use:
A) require less labor than most other types of crops. B) do not contribute significantly to pollution problems that come from fertilizer and pesticide use. C) generally are considered to be frivolous and of no benefit to society. D) require about 1% of the land used for corn production but have a value about 50% of corn.
The match of the motor and compressor inside a hermetic compressor:
A) Is typically 1 hp per ton for nearly all applications. B) Is specific for the application of the compressor. C) Is generally not critical, allowing a single compressor to cover a wide range of applications. D) Is made in the field by the installing technician.
The ____ command prints a listing of environment and configuration variables.
A. printenv B. printvar C. printf D. bash