The Technogene Research Group has developed a procedure desi…

The Technogene Research Group has developed a procedure designed to increase the likelihood that a baby will be born a girl. In a clinical trial of their procedure, 236 girls were born to 450 different couples. If the procedure has no effect, there is about a 15% chance that these results would occur. Does the procedure appear to have statistical significance? Does the procedure appear to have practical significance? Explain your answers.

Diane Nix  was divorced in June 2014. Her son who is 12, liv…

Diane Nix  was divorced in June 2014. Her son who is 12, lived with her the entire year. It cost $20,000 to maintain her home and she paid all of this total. Her ex-husband, Jack, paid $5,000  in child support payments. Diane provided $15,000 in support of their son. What is the best filing status for Diane?