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Unformatted text preview: without replacement . What are the probabilities that… • All three chips are blue. • The third chip is not white, given that the first two are red. • At least one of the chips is white. Now suppose the chips are drawn with replacement . What are the probabilities that… • All three chips are blue. • The third chip is not white, given that the first two are red. • At least one of the chips is white. STA 301B, Spring 2008 Homework 4 Page 3 of 3 Question 3 : (p. 73, #2.109) A truth serum has the property that 90% of the guilty suspects are properly judged while, of course, 10% of guilty suspects are improperly found innocent. On the other hand, innocent suspects are misjudged 1% of the time. If a suspect is selected from a group of people of whom only 5% have ever committed a crime, and the serum indicates that he is guilty, what is the probability that he is innocent?...
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 Spring '08
 Noe
 Statistics, Applied Mathematics, Primary color

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