oldmts - Old Practice Midterms, Stat 134 Here are 5...

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Unformatted text preview: Old Practice Midterms, Stat 134 Here are 5 practice midterms, each intended to be roughly 50 minutes long. Your will be 80 minutes, so itll be 5-6 problems depending on how long they are. Midterms 1-4 are all my problems (except some stolen from the text); midterm 5 is from Steve Evans. Ill give you a normal table on the exam. Bring a page of notes (both sides), a blue book, a calculator, and something to write with. I recommend attempting these seriously without peeking at the answers. Page 490 of your text also has a practice midterm. I also recommend all odd problems from the text, except that the following are BAD - either too hard or irrelevant: 1.1 9,11; 1.2 all bad; 1.3 13,15; 1.4-1.6 and 1.rev all GOOD 2.1 15; 2.2 15,17; 2.4 all GOOD; 2.5 11; 2.rev 29,31,33,37 3.1 11,19,21,23; 3.2 15,21; 3.3 11,21,25,27,29,31,33; 3.4 15,19,21,23; 3.5 19,21; 3.rev 21,23,29 and above. First Midterm 1) A university schedules its final exams in 18 exam groups so that courses held at different times are in different exam groups. The exam times are spread over 6 days, with 3 exams each day. Suppose all students take 4 exams. About what proportion of students will have their 4 exams on different days? You will need to make some assumptions, state what they are. 2) I have a box with 50 black balls and 50 white balls. I draw 100 times from this box with replacement. X is the number of black balls in the 100 draws, Y is the number of black balls in the first 10 draws. For each part of the question, state i) the answer to the probability question, and ii) if the distribution or conditional distribution is named, name it. Simplifying your answer is not necessary, but it may help you see the answerdistribution is named, name it....
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This note was uploaded on 02/12/2012 for the course UGBA 101A taught by Professor Mccullough during the Spring '08 term at University of California, Berkeley.

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oldmts - Old Practice Midterms, Stat 134 Here are 5...

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