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. E Click the icon to view the data table. A Table of numbers of girls and probabilities The mean is u= girl(s). (Round to one decimal place as needed.) The standard deviation is o = girl(s). (Round to one decimal place as needed.) Number of Girls x P(x) 0.004 1 0.028 0.111 0.215 0.267 0.226 4 5 6. 0.114 0.031 0.004 Print Done

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.