Lecture7

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Unformatted text preview: of computers: Mac, Dell, and HP. 30% of the machines they sell are Mac, 50% are Dell, and 20% are HP. Based on past experience Acme executives know that the purchasers of Mac machines will need service repairs with probability .2, Dell machines with probability .15, and HP machines with probability .25. Find the probability a customer will need service repairs on the computer they purchased from Acme. Independence and Law of Total Probability Independence Law of Total Probability Solution. 7.14 Notes Example 23 Let us assume that a speciﬁc disease is only present in 5 out of every 1,000 people. Suppose that the test for the disease is accurate 99% of the time a person has the disease and 95% of the time that a person lacks the disease. Find the probability that a random person will test positive for this disease. Independence and Law of Total Probability Notes Independence Law of Total Probability Solution. 7.15 Summary Independence and Law of Total Probability In this lecture, we learned The concept of important Special multiplication rule and law of total probability Independence Law of Total Probability 7.16 Notes...
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This note was uploaded on 01/24/2014 for the course STAT 225 taught by Professor Martin during the Spring '08 term at Purdue University-West Lafayette.

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