An investment portfolio is shown below. Investment Amount Invested ROR Savings Account $3,200 2.1% Municipal Bond $4,900 4.5% Preferred Stock $940 10.5% Common Stock A $1,675 −3.5% Using technology, calculate the weighted dollar amount of the savings account. −$58.63 $58.63 −$67.20 $67.20 Question 2(Multiple Choice Worth 1 points) (Two-Way Frequency Tables MC) A sample of 245 high school students from grades 9–10 and 11–12 were asked to choose the kind of band to have play at a school dance: rap, rock, or country. 51% of the sample is grades 9–10. From the sample, it is determined that 16.3% were students in grades 9–10 who prefer a rap band and 22.4% were students in grades 9-10 who prefer a country band. 14.3% were of students in grades 11–12 who prefer a country band, while 10.2% were students in grades 11–12 who prefer a rock band. The most popular choice was rap, with 40.8% of students making it their preferred option. Which of the following is a correct two-way relative frequency table for the data? School Dance Band Preference Rap Rock Country Row totals Grades 9–10 16.3 12.2 22.4 51 Grades 11–12 24.5 10.2 14.3 49 Column totals 40.8 22.4 36.7 100 School Dance Band Preference Rap Rock Country Row totals Grades 9–10 16.3% 12.3% 22.4% 51% Grades 11–12 24.5% 10.2% 14.3% 49% Column totals 40.8% 22.5% 36.7% 100% School Dance Band Preference Rap Rock Country Row totals Grades 9–10 40 30 55 125 Grades 11–12 60 25 35 120 Column totals 100 55 90 245 School Dance Band Preference Rap Rock Country Row totals Grades 9–10 0.163 0.122 0.224 125 Grades 11–12 0.245 0.102 0.143 120 Column totals 100 55 90 245