A random sample of students were asked whether they preferred to sweep the floor or to do the dishes, and whether they preferred to hear music or have silence while doing the chore. The results of the survey are summarized in the table.
Music
Silence
Total
Sweep Dishes Total
36 60 96
42 62 104
78 122 200
What is the probability that a student prefers to do the chore in silence?
A. 0.21
B. 0.31
C. 0.39
D. 0.42
E. 0.52

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )