Refer to the accompanying​ table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births. Number of Girls x P(x) 0 0.005 1 0.029 2 0.102 3 0.229 4 0.269 5 0.225 6 0.102 7 0.033 8 0.006

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