5th Edition Test Questions & Answers Ch- Probability Primer - Principles of Econometrics 5e Complete Test Bank by R. Carter Hill. DOCX document preview.
File: Ch- Probability Primer
Multiple Choice
1. A measure of the daily change in the closing value of the DJIA is a _____ random variable and the number of vehicles owned by a selected household is a _____ random variable.
a. continuous; discrete
b. flow; stock
c. random; determined
d. discrete; continuous
Marriage Status/# of Children | 0 | 1 | 2 | 3 | 4+ |
Single | 0.20 | 0.10 | 0.05 | 0.04 | 0.01 |
Married | 0.1 | 0.3 | 0.25 | 0.03 | 0.02 |
Y/X | 0 | 1 | 2 | 3 | 4+ | F(y) | F(y|x = 0) | F(y|x = 1) | F(y|x = 2) | F(y|x = 3) | F(y|x = 4) |
0 | 0.200 | 0.100 | 0.050 | 0.040 | 0.010 | 0.400 | 0.667 | 0.250 | 0.167 | 0.571 | 0.333 |
1 | 0.100 | 0.300 | 0.250 | 0.030 | 0.020 | 0.600 | 0.333 | 0.750 | 0.833 | 0.429 | 0.667 |
F(x) | 0.300 | 0.400 | 0.300 | 0.070 | 0.030 | ||||||
F(x|y = 0 | 0.500 | 0.250 | 0.125 | 0.100 | 0.025 | ||||||
F(x|y = 1 | 0.170 | 0.500 | 0.417 | 0.050 | 0.033 |