Help pls I think I got questions wrong

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. EClick the icon to view the data table. - X The mean is [ = 4.0 girl(s). (Round to one decimal place as needed.) Table of numbers of girls and probabilities The standard deviation is o = 1.4 girl(s). (Round to one decimal place as needed.) Number of Girls x P(x) 0 0.004 0.032 0.102 0.212 0.297 ONOURWN- 0.212 0.109 0.026 0.006 Print Done