1. The Statistical Institute reports that the median household earning for all households in the country during the year 2007 was $ 280,000. That is 50% of all households of the nation had earnings below that amount. Suppose four households surveyed revealed whether their earnings in 2007 exceeded the median. (6 List all the sample points. () Identify the simple events in each of the following: A: At least two had earnings below $280,000. B: Exactly two had earnings below $280,000. C: Exactly one had earnings more than or equal to $280,000. (ii) Find P(A), P(B) and P(C)