Answer Happy

1. A researcher wanted to determine the number of color televisions in household. He conducted a survey of 24 randomly selected households and obtain the following data. [10pts) 5 1 1 4 2 3 1 4 3 22 1 2 1 0 0 1 2 2 2 0 3 3 2 N (a) Construct frequency distribution and a bar diagram of the data. [6pts [2pts) (b) What percentage of households in the survey have 3 color televisions? [2pts) (c) What percentage of households in the survey have at most 2 color television? 2. Marissa has just completed her second semester in college. She earned an A in her 4-hour Calculus I course, a B in her 3-hour sociology course, an A in her 3-hour psychology course, a C in her 5-hour computer programming course, and an A in her 1-hour drama course. Determine Marissa's grade-point average. Assuming that an A equal 4 points, a B equal 3 points, and a C equals 2 points, determine Marissa's grade-point average for the semester. [8pts)