TABLE 2.2 Joint Distribution of Weather Conditions and Commuting Times Rain (X = 0) 0.15 No Rain (X = 1) Total Long commute (Y = 0) Short commute (Y = 1) 0.07 0.22 0.15 0.63 0.78 Total 0.30 0.70 1.00
TABLE 2.2 Joint Distribution of Weather Conditions and Commuting Times Rain (X = 0) 0.15 No Rain (X = 1) Total Long commute (Y = 0) Short commute (Y = 1) 0.07 0.22 0.15 0.63 0.78 Total 0.30 0.70 1.00
Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
14th Edition
ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Chapter5: Business And Economic Forecasting
Section: Chapter Questions
Problem 1.1CE
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Using the random variables X and Y from Table 2.2, consider two new random variables W = 4 + 8X and V = 11 - 2Y. Compute (a) E(W) and E(V); (b) J2W and J2V; and (c) JWV and corr(W, V).
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