題組內容

4. The variable, X, is defined as the number of affairs within last year from R.C.
Fair(1978), "'A Theory of Extramarital Affairs," Journal of Political Economy 86,
45-61. The summary statistics and frequency table obtained from excel are as
follows:
61d28f528b480.jpg

a. What assumptions must be made in order for X to be distributed as a Poisson random variable? Are these assumptions suitable for X?