threxixx28 threxixx28
  • 23-02-2024
  • Mathematics
contestada

Let x denote the number of missing pieces in a randomly selected 500-piece puzzle from a local thrift shop. The variable x has the following probability distribution:

x 0 1 2 3 4
P(X) 0.33 0.44 0.2 0.02 0.01

Calculate and interpret σx.

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