PSAT Math Domain 3: Problem Solving and Data Analysis Welcome to your PSAT Math Domain 3: Problem Solving and Data Analysis 1. PSAT Math: Problem Solving and Data Analysis A bag contains 8 red, 6 blue, and 10 green marbles. If 2 marbles are drawn at random, what is the probability that both are red? 0.127 0.071 0.055 0.101 None 2. PSAT Math: Problem Solving and Data Analysis If a graph has a linear trend with a slope of -3 and a y-intercept of 12, what is the x-coordinate when the y-coordinate is 0? 4 -4 3 -3 None 3. PSAT Math: Problem Solving and Data Analysis A test score has a mean of 80 with a standard deviation of 5. What is the score at the 95th percentile? 90 88 95 85 None 4. PSAT Math: Problem Solving and Data Analysis If the correlation coefficient between two variables is -0.75, what is the coefficient of determination? 0.56 0.5625 0.75 -0.75 None 5. PSAT Math: Problem Solving and Data Analysis In a linear relationship, if the x-intercept is -4 and the slope is 2, what is the y-intercept? -8 8 4 -2 None 6. PSAT Math: Problem Solving and Data Analysis If the median of a dataset is 40 and the range is 30, what is the maximum value in the dataset if the minimum value is 25? 65 70 55 75 None 7. PSAT Math: Problem Solving and Data Analysis A graph shows a linear trend with a y-intercept of 7 and a slope of -5. At what x-coordinate does the graph cross the x-axis? -1.4 1.4 7 -7 None 8. PSAT Math: Problem Solving and Data Analysis An investor buys a stock at USD 50 per share. It appreciates by 25 percent and then depreciates by 20 percent. What is the final price per share? USD 50 USD 52 USD 48 USD 60 None 9. PSAT Math: Problem Solving and Data Analysis If the median of a dataset is 40 and the range is 30, what is the maximum value in the dataset if the minimum value is 25? 65 70 55 75 None 10. PSAT Math: Problem Solving and Data Analysis A graph shows a linear trend with a y-intercept of 7 and a slope of -5. At what x-coordinate does the graph cross the x-axis? -1.4 1.4 7 -7 None 1 out of 10 Time is Up! Time's up
