He percent distribution of the number of grandchildren for a sample of 1904 grandparents is shown in the pie chart. find each probability.

Respuesta :


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P(X=1) = 0.09

P(X < 5) = 0.09 + 0.36

P(X >= 2) = .36 + .23 + .09 + .23

P(2 <= X <= 7) = .36 + .23