Mathematics, 20.07.2019 13:50 yokis2710
He accompanying data table describes results from groups of 10 births from 10 different sets of parents. the random variable x represents the number of girls among 10 children. complete the questions below. click the icon to view the data table.
Answers: 1
![\begin{tabular} {|c|c|} x&p(x)\\[1ex] 0&0.005\\ 1&0.014\\ 2&0.037\\ 3&0.114\\ 4&0.208\\ 5&0.241\\ 6&0.202\\ 7&0.116\\ 8&0.037\\ 9&0.013\\ 10&0.013\\[1ex] &\Sigma p(x)=1 \end{tabular}](/tpl/images/0111/8834/20a90.png)
![\begin{tabular} {|c|c|p{2.3cm}|c|c|} x&p(x)&xp(x)&\left(x-E(x)\right)&\left(x-E(x)\right)^2\\[1ex] 0&0.005&0&-5.034&25.341\\ 1&0.014&0.014&-4.034&16.273\\ 2&0.037&0.074&-3.034&9.205\\ 3&0.114&0.342&-2.034&4.137\\ 4&0.208&0.832&-1.034&1.069\\ 5&0.241&1.205&-0.034&0.001\\ 6&0.202&1.212&0.966&0.933\\ 7&0.116&0.812&1.966&3.865\\ 8&0.037&0.296&2.966&8.797\\ 9&0.013&0.117&3.966&15.729\\ 10&0.013&0.13&4.966&24.661\\[1ex] &\Sigma p(x)=1&E(x)=\Sigma xp(x)=5.034 \end{tabular}](/tpl/images/0111/8834/0f33a.png)
![\begin{tabular} {|c|} \left(x-E(x)\right)^2p(x)\\[1ex] 0.127\\0.228\\0.341\\0.472\\0.222\\0.000\\0.188\\0.448\\0.325\\0.204\\0.321\\[1ex]\Sigma\left(x-E(x)\right)^2p(x)=2.876 \end{tabular}](/tpl/images/0111/8834/151e6.png)
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He accompanying data table describes results from groups of 10 births from 10 different sets of pare...
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