You want to test the hypothesis that the prime rate and inflation are independent ...

     1) You   want to test the hypothesis that the prime rate and inflation are   independent. The following table is prepared for the test on the basis of the   result of a random sample, collected in various countries and various time   periods:      Prime Rate   Inflation rates 6 Feb 10 Jul   20 Nov Row Total   Under 5% 40 30 5 75   5% or more 5 30 40 75   Col Total 45 60 45 150   Based on an analysis of the   data in this table, which conclusion can be made at a=.01?