Let X [millimeters] be the thickne~~ of washers a machine
Chapter 24, Problem 24.5(choose chapter or problem)
Let X [millimeters] be the thickne~~ of washers a machine turns out. Assume that X has the density f(x) = h if 1.9 < x < 2.1 and 0 otherwise. Find k. What is the probability that a washer will have thickness between 1.95 mm and 2.05 mm?
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