Find the value of 
needed to construct an upper or lower confidence bound in each of the situations in Exercise 1.
What will be an ideal response?
(a) 1.363
(b) 1.943
(c) 31.821
(d) 1.701
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a. nylon sling b. hairpin c. pipe tong d. sliding hook
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Electronic control circuits generally are direct current circuits with their own power supply, usually an AC to AC diode rectifier.
Answer the following statement true (T) or false (F)
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Which of the following is a class of horses?
a. Light horses c. Ponies b. Draft horses d. All answers
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A __________ is a heat exchanger installed in the boiler that connects to the hot water pipes of the house.
Fill in the blank(s) with the appropriate word(s).
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