Posted: February 16th, 2017

A researcher reports that when groups of four children are randomly selected from a population of couples meeting certain criteria, the probability distribution for the number of girls is as given in the accompanying table.

8. Numbers of Girls. A researcher reports that when groups of four children are randomly selected from a population of couples meeting certain criteria, the probability distribution for the number of girls is as given in the accompanying table.

X P(x)
0 0.502
1 0.365
2 0.098
3 0.011
4 0.001