At a local high school, the 40% of the students drink soda r…

At a local high school, the 40% of the students drink soda regularly, 30% of the students drink coffee regularly, and 10% of the students drink both regularly. If a student was randomly selected from this school, what is the probability that the student drinks soda if we know the student drinks coffee regularly?

The parents of a 5-year-old are concerned because he has rec…

The parents of a 5-year-old are concerned because he has recently starting wetting himself during the day while at school. They inform their pediatrician about this when they bring their newborn daughter in for her first immunizations. After ruling out any physical cause, the pediatrician informs the parents that this is due to: