If the life of ball bearings has the density f(x) = ke -x if 0 x 2 and 0 otherwise, what is k? What is the probability P(X 1)?
Chapter 24, Review question #22
If the life of ball bearings has the density f(x) = ke-x if 0 ≤ x ≤ 2 and 0 otherwise, what is k? What is the probability P(X ≥ 1)?
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