Learn To Be brings free online tutoring students around the United States. Volunteer and gain community service hours while helping students who need it./p>

Expected value with empirical probabilities

A fictitious study to determine the growth rate in the European Union randomly asked 50005000 adults in the EU how many children they would ideally have, given the options of 00 children, 11 child, or 22 children. The results of this survey are shown below.
Plot points to represent the expected sum of the ideal number of children for each number of randomly selected adults.
Ideal number of childrenAbsolute frequency
0012001200
11100100
2237003700
Total50005000
Created with RaphaëlCreated with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
Created with Raphaël
0011223344556677889910101122334455Number of randomly selected adultsExpected sum of ideal number of children