Question

Repeat Question: New Response Needed

Assuming 18% of infants delivered in a small-town record low-weight. Among these infants, 38% belongs to households that are considered poor. Looking at it all, only 14% of infants not recorded as low-weight are delivered to poor households.

1. What percent of all infants delivered in this small-town were delivered to households that are poor or poor households?

2. What is the probability that an infant delivered to a poor household would be noted as low-weight?
3. If a group is randomly selected of 4 infants recorded as low-weight and 5 infants recorded as NOT low-weight. Considering this randomly selected group of 9, compute the probability that you can have exactly 3 infants delivered to poor households?

Answer 1

Let A be the event of being low weight

B be the event of being a poor household