4) The following contingency table shows the number of flyers taken or not taken when they were printed on three different colors of paper. Perform a Chi Square test of independence to determine if there is a significant effect of color. Use a = .05 White Light Blue Neon Pink Take 32 38 20 90 Don't take 8 22 30 60 40 60 50 150

In order to compare the real estate markets in Pittsburgh and Philadelphia, a realtor selected a random sample of 150 homes in the Pittsburgh area and 100 homes in the Philadelphia area. Shown below are dotplots showing the distribution of home price for the homes in these two cities.

The following items represent the number of birds observed at a given feeder over the past several days.  What is the range of birds to visit that feeder? 54, 16, 41, 25, 83, 45, 40, 46, 50, 35, 68, 28, 39

Human blood is classified by the presence or absence of three main antigens (A, B, and Rh). When a blood specimen is typed, the presence of the A and/or B antigen is indicated by listing the letter A and/or the letter B. If neither the A nor the B antigen is present, the letter O is used.The following table gives the percent of a country's population having each of the eight possible blood types in the sample space. Note that the presence or absence of the Rh antigen is indicated by the symbols + or −, respectively. Blood Types A+ A− B+ B− AB+ AB− O+ O− Percent 35.7 6.1 8.5 1.5 3.4 0.8 37.4 6.6 (a) What is the probability that a person selected at random from the population has a blood type that is type AB given that the person is Rh+? (Round your answer to two decimal places.)(b) What is the probability that a person selected at random from the population has a blood type that is Rh− given that the person is type O? (Round your answer to two decimal places.)