M201_F2011quiz3FridayBlue_Sol

# M201_F2011quiz3FridayBlue_Sol - Based on past records the...

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MATH201 11F Name:____________________________________________________ Quiz 3 Friday Blue Solution Lab Section:__________ You must attach a signed lab switch form if you are taking this quiz in a lab section other than the one for which you are registered. Closed book / closed notes. Show all work for full credit. 1. 4 points Let be a standard normal random variable. Find . Draw a picture and shade the appropriate area. 2. 4 points Find. Draw a picture. Questions 3 – 5
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Unformatted text preview: : Based on past records, the average number of two-car accidents in a New York City police precinct is 3.4 per day. 3. 4 points Find the probability that on a given day, there will be five such accidents? 4. 4 points. Would it be unusual for the police precinct to report one such accident on a given day? Justify your answer with a z-score. 5. 4 points Find the probability that exactly three such accidents over a two-day period....
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## This note was uploaded on 12/07/2011 for the course MATH 201 taught by Professor Crissinger during the Fall '08 term at University of Delaware.

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