Let X ~ U(a, b). Use the definition of the variance of a continuous random variable (Equation 2.38 or 2.39) to show that 
.
What will be an ideal response?
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What attribute do axonometric drawings have that perspectives do not?
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Which of the following refrigerant safety designations indicate the refrigerant would require more than 400 parts per million to be hazardous?
A) A1 B) B3 C) B1 D) B2
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What is the standard height to install chair rails?
A) 30" B) 36" C) 32" D) 34"
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Pin #____ in a 555 timer is the control voltage pin.
a. 3 b. 4 c. 5 d. 6
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