Discrete and nonnegative
Let X be a discrete and nonnegative r.v. show that
EX= \(\sum_{n=0}^{\infty}(1-F_{X}(n))\)
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The combined mass of the girl and the sled is 56.0 kg, and the coefficient of kinetic friction between the snow and the runners of the sled is 0.106. How much time is required for the sled to travel down a 107-m slope, starting from rest?
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