Quiz 5 answer key Bb

Quiz 5 answer key Bb - NAME _ANSWER KEY_ TA _ OM 210:...

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NAME _ANSWER KEY ______________________________________ TA _______________ OM 210: Statistical Analysis for Management Quiz 5: Discrete Probability Distributions Directions: For the questions below, write your answers to each question in the spaces provided on the next page. Report all probabilities as decimals rounded to four (4) decimal places. Report expected values rounded to two (2) decimal places. Report money rounded to the nearest cent. Use the backs of these pages for your calculations. For a particular volunteer fire and rescue company operating 24 × 7 (= 24 hours a day, 7 days a week), statistics show that 1 call is expected to come in, on average, every 40 minutes. This is a Poisson problem. DEF: Let X be the discrete r.v. that counts the number of calls that are received during the specified interval of time, with values x = 0 (none), 1, 2, …. Given: μ = 1 call/40 min × 60 min/1 hour = 1.5 calls/hour Assume X is Poisson. Then ( 29 ! x e | x X Prob x μ = μ = μ - with
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This note was uploaded on 02/19/2011 for the course OM 210 taught by Professor Singer during the Spring '08 term at George Mason.

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Quiz 5 answer key Bb - NAME _ANSWER KEY_ TA _ OM 210:...

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