statistics and Probability

The table below shows the scores of a group of students on a 10-point quiz. Test Score |Frequency 3 3 4 5 1 6 2 7 2 8 5 9 3 10 N The mean score on this test is: The median score on this test is The boxplot below shows salaries for Construction workers and Teachers. 2 Construction Teacher H 20 25 30 35 40 45 50 Salary (thousands of $) If a person is making the first quartile salary for a construction worker, they are making more than what percentage of Teachers? They are making more than % of Teachers. For our small sample, we have X1 = 3, X2 = 2, X3 = 5, X4 = 2. W Please calculate Ex2 = Please calculate (Ex)' A group of people were asked if they had run a red light in the last year. 449 responded 5 'yes", and 495 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year. A card is drawn randomly from a standard 52-card deck. Find the probability of the given event. a) The card drawn is 2 The probability is : (b) The card drawn is a face card (Jack, Queen, or King) The probability is : (c) The card drawn is not a face card. The probability is