DestinyKromberg2644 DestinyKromberg2644
  • 14-12-2022
  • Mathematics
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Several trucks arrive each day for unloading at a warehouse. An employee of the warehouse maintained for 200 days a count of the number arriving each day. This information was used to develop the probability distribution below.
X P(X)
4 0.10
5 0.20
6 0.30
7 0.40
Determine the expected value and the standard deviation of the number of trucks arriving each day.

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