(Solved): not sure how i got the Standard Deviation wrong Refer to the accompanying table, which describes re ...

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. Click the icon to view the data table. The mean is $\mu =4\mathrm{girl}(\mathrm{s})$. (Round to one decimal place as needed.) The standard deviation is $\sigma =$ girl(s). (Round to one decimal place as needed. le of numbers of girls and probabilities