# 08ffx - Exam ADM 2303 COURSE TITLE Statistics for...

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An automobile dealership records the number of cars sold each day, and calculates the probability distribution as follows: N umber of cars sold daily Probability 0 0.1 1 0.11 2 0.2 3 0.23 4 0.3 5 0.06 (6) (a) Find the mean, variance, and standard deviation of the number of cars sold in one day. Mean = ------------------------------------ Variance = --------------------------------- Standard deviation = --------------------- (6) (b) Find the mean, variance, and standard deviation of the number of cars sold in total during 2 days, assuming sales on the 2 days are independent of each other. Mean = ------------------------------------ Variance = --------------------------------- Standard deviation = --------------------- (8) (c) Find the mean, variance, and standard deviation of the number of cars sold in total during 2 days, assuming sales on the 2 days are correlated, with a correlation coefficient = 0.52. Mean = ------------------------------------
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## This note was uploaded on 04/22/2010 for the course MANAGEMENT ADM 2303 taught by Professor Phansalker during the Spring '00 term at University of Ottawa.

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08ffx - Exam ADM 2303 COURSE TITLE Statistics for...

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