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In: Statistics and Probability

Assuming 22% of infants delivered in a small-town record low-weight. Among these infants, 30% belongs to...

Assuming 22% of infants delivered in a small-town record low-weight. Among these infants, 30% belongs to households that are considered poor. Looking at it all, only 25% 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?
  1. What is the probability that an infant delivered to a poor household would be noted as low-weight?
  2. If a group is randomly selected of 4 infants recorded as low-weight and 6 infants recorded as not low-weight. Considering this randomly selected group of 10, compute the probability that you can have exactly 2 infants delivered to poor households?

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