This preview shows page 1. Sign up to view the full content.
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?
3.
This is the end of the preview. Sign up
to
access the rest of the document.
This note was uploaded on 07/15/2011 for the course STATS 100A taught by Professor Wu during the Summer '07 term at UCLA.
 Summer '07
 Wu
 Probability

Click to edit the document details