homework2-winter11-key-b

# homework2-winter11-key-b - Homework 2 Homework must be...

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Homework 2 Homework must be answered in the order shown here (else please make a note telling the reader where it is). Please, staple the homework. Write your answers neatly Work must be shown for full credit No late homework accepted under any circumstances 1. Ninety eight percent of all babies survive delivery. However, 15 percent of all births involve Cesarean ( C ) sections, and when a C section is performed the baby survives 96 percent of the time. If a randomly chosen pregnant woman does not have a C section, what is the probability that her baby survives? 2. In a certain community, 36 percent of the families own a dog, and 22 percent of the families that own a dog also own a cat. In addition, 30 percent of the families own a cat. What is (a) The probability that a randomly selected family own both a dog and a cat (b) The conditional probability that a randomly selected family owns a dog given that it owns a cat? P

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homework2-winter11-key-b - Homework 2 Homework must be...

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