Theré are 10 children with the flu, 8 children with throat infections and 3 children with asthma. If we randomly choose 3 children, find the probabilities thet: 1. At least one child has a throat infection.
2. At most one child has the flu​

Jamie is conducting a study of hyperactive children. he recruits two children identified by teachers as hyperactive and takes a detailed history by interviewing the child and the child's parents over a period of several days, looking for patterns in the child's early experiences that may have contributed to the child's hyperactivity. jamie's research plan is referred to as the