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Unformatted text preview: MATH 132 Fall 02 Final Exam Problem 3: An investment of $20,00 0 earned 5% each year for 6 years, then it
lost 10% for each of the next 3 years. What is it worth now? Problem 4: You ﬂip 4 coins and are paid $5 if you get 3 or more heads or 3 or
more tails‘and no money otherwise. What is the expected pay off of this game? notation. Problem 7: (a) A student received scores of 40, 35, 35, 45, 40 out of a possible 50 on their psychology class quizzes. Determine the mean, median, and standard
deviation of these scores. (b) What score do they need to get on the ﬁnal quiz to have a mean of 40 for their
six scores? 5 Problem 8: A geometric sequence has ratio equal to — 3 and sixth term equal to
60. What is the ﬁrst term of this sequence? Problem 9: The number of cell phones in the US in millions is given by year 1995 1996 1997 1998
millions of phones 15 27 36 42 Determine if the graph of this data is concave up or concave down. 6 Problem 10: Find f(f(2)) when Problem 12: Answer the following:
(1) log(w) = 4, so It 2? (2) log(a:) = —2, so a: 2? (3) If log(5) = A, then log(50) =?. Express your answer using the letter A. Problem 13: (a) You are dealt four c ards from the same deck. What is the
probability that all four of them are red? (b) What is the probability that all four of them are red or a king? Problem 16: Have a good vacation!  No work is needed here. ...
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 Spring '07
 BAE
 Math, Derivative, Standard Deviation, Harshad number, Jensen's inequality

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