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 0.20 0.02 0.01
Calculate and interpret xˉ.
0.33; If we were to select many puzzles randomly, we would expect about 0.33 to have all their pieces.
