The Bureau of Census reports that the median family income in California during the last year was $65,000. Suppose that four families are surveyed and that each one reports whether its income exceeded the reported medium for that year.
a. List the sample points.
b. Indentify the following simple events:
A: At least two families had incomes exceeding the median
B: Exactly two families had incomes exceeding the median
C: Exactly one family had income less than or equal to the median
c. Assign probabilities to the simple events and find P(A), P(B), P(C)