The purpose of a nationally recognized testing laboratory is to ____.
a. enforce laws
b. make inspections
c. reduce safety risks
d. increase safety risks
c. reduce safety risks
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Express three hundred fourteen thousandths as a decimal fraction.
What will be an ideal response?
Australian Koala bears are thought to have a mean height of 21 in. and a standard deviation of 3 in. You plan to choose a sample of 55 bears at random. What is the probability of a sample mean between 20 and 22? How many bears in the sample are likely to be taller than 25 in.?
What will be an ideal response?
The most important part of a root weld is the outside shape.
Answer the following statement true (T) or false (F)
Standpipe systems are classified depending on who is expected to use the system. A Class I system is designed to be used by Fire Department and Fire Brigade personnel. What is the diameter of the fire hoses in these systems?
A. 2½ inches B. 2 inches C. 1½ inches D. 1 inch