#61,62,65,68,72

Section 5.3 Exercises 377 65. Foreign-language study Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the distribution of results: 71. Who owns a home? What is the relationship between pg 364 educational achievement and home ownership? A Spanish French German random sample of 500 U.S. adults was selected. Each Language 0.26 All others None Probability 0.09 0.03 member of the sample was identified as a high school 0.03 0.59 graduate (or not) and as a homeowner (or not). The What's the probability that the student is studying a two-way table summarizes the data. language other than English? High school graduate (b) What is the probability that a student is studying Yes No Total Spanish given that he or she is studying some language Yes 221 119 340 other than English? Homeowner No 89 71 160 66. Income tax returns Here is the distribution of the Total 310 190 500 adjusted gross income (in thousands of dollars) reported on individual federal income tax returns in a Suppose we choose I member of the sample at recent year: random. Are the events "homeowner" and "high school graduate" independent? Justify your answer. Income