The accompanying table 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

MATLAB: An Introduction with Applications
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The accompanying table 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
1004&centerwin=yes
< Question 11 of 20
Table of numbers of girls and probabilities
Number of
Girls x
0723 ST 80
1
4
5
6
7
Print
P(x)
0.005
0.034
0.119
0.218
0.254
0.217
0.114
0.034
0.005
Done
T
TI
Transcribed Image Text:1004&centerwin=yes < Question 11 of 20 Table of numbers of girls and probabilities Number of Girls x 0723 ST 80 1 4 5 6 7 Print P(x) 0.005 0.034 0.119 0.218 0.254 0.217 0.114 0.034 0.005 Done T TI
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