Problem 8.10 (Genetic defects). Data collected over a long period of time show that a particular genetic defect occurs in 1 every 1000 children. The records of a medical clinic show 60 with the defect in a total of 50,000 examined. If the 50,000 children were a random sample from the population of children represented by past records, what is the probability of observing a value of N (of children with the genetic defect) equal to 60 or less