Among college students who completed first-year Calculus in the US, scores on a final exam to measure Calculus knowledge are normally distributed with a mean of 70 points and a standard deviation of 10 points. Using this information, please answer the following six questions. What minimum score does a student need to achieve to be in the top 10% of this distribution? Among college students who completed first-year Calculus in the US, scores on a final exam to measure Calculus knowledge are normally distributed with a mean of 70 points and a standard deviation of 10 points. Using this information, please answer the following six questions. What minimum score does a student need to achieve to be in the top 10% of this distribution? 80.2 90.5 75.4 82.8 Question at position 2 2 3 points Question at position 2 What range of scores encompasses the middle 50% What range of scores encompasses the middle 50% 50.5 - 60.5 63.3 - 76.7 60 - 80 68.0 - 72.0 Question at position 3 3 3 points Question at position 3 What is the probability that a randomly selected student from the population will score 90 points or higher on the test? What