Let X ~ U(a, b). Use the definition of the mean of a continuous random variable (Equation 2.37) to show that 
= (a + b)/2.
What will be an ideal response?
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8. What type of tubing connection is commonly used with both metal and plastic tubing?
A. Flared fitting B. Flanged fitting C. Quick connect D. Compression fitting
Which of the following is the best practice when instructed to block the wheels on tractor/trailer combination?
A. Place a pair of wedged wheel chocks on both sides of one steering axle wheel B. Place a pair of wedged wheel chocks on one tractor steering axle wheel and one trailer axle wheel C. Place a pair of wedged wheel chocks on one tractor drive axle wheel and one trailer axle wheel D. Place a pair of wedged wheel chocks on one trailer axle wheel
Ergonomics is a multidisciplinary science that seeks to conform the workplace and all of its physiological aspects to the worker.