A sample of 350 students was selected and each was asked the make of their automobile (foreign or domestic) and their year in college (freshman, sophomore, junior, or senior). The results are shown in the table below. Year in College Junior 100 Freshman Sophomore Senior Total Foreign 15 65 25 205 Car Domestic 10 45 80 10 145 Total 25 110 180 35 350 The sophomore and domestic events are: Select one: O A. independent O B. not mutually exclusive and independent O C. mutually exclusive and not independent O D. not mutually exclusive O E. None of the other answers O F. mutually exclusive

A survey of 500 television watchers produced the following information: 285 watch football games, 195 watch hockey games, 115 watch basketball games, 45 watch football and basketball games, 70 watch football and hockey games, 50watch hockey and basketball games, and 50 do not watch any of the three kinds of games. How many people in the survey watch all three kinds of games? * 35 25 20 40

A department store sells sport shirts in three sizes (small, medium, and large), three patterns (plaid, print, and stripe), and two sleeve lengths (long and short). The accompanying tables give the proportions of shirts sold in the various category combinations. Short-sleeved   Pattern Size     Pl         Pr         St     S 0.04 0.02 0.05 M 0.08 0.05 0.12 L 0.03 0.07 0.08 Long-sleeved   Pattern Size     Pl         Pr         St     S 0.03 0.02 0.03 M 0.07 0.10 0.07 L 0.04 0.02 0.08 (a) What is the probability that the next shirt sold is a medium, long-sleeved, print shirt?(b) What is the probability that the next shirt sold is a medium print shirt?(c) What is the probability that the next shirt sold is a short-sleeved shirt? A long-sleeved shirt? short-sleeved shirt        long-sleeved shirt     (d) What is the probability that the size of the next shirt sold is medium?What is the probability that the pattern of the next shirt sold is a…

The government of a large city needs to determine whether the city's residents will support the repair of several roads. The government decides to conduct a survey of a sample of the city's residents. Which one of the following procedures would be the most appropriate for obtaining a sample of the city's residents? O Survey a random sample of the residents who use public transportation. O Survey every tenth person to use the public restroom. O Survey the last 100 residents listed in the telephone directory. O Survey a random sample of persons within each neighborhood. C

92 cities were surveyed to determine sports teams. 25 had soccer, 23 had rugby, 17 had volleyball, 14 had soccer and rugby, 10 had soccer and volleyball, 11 had rugby and volleyball. 6 had all three. Let A = soccer, B= rugby, C= volleyball. How many had only a rugby team? A I IV II V VII III VI C B VIII

Consider an experiment in which there are 4 groups and within each group there are 12 participants. What is the degrees of freedom for the denominator (within)?