12. Let S = {1, 2, 3, 4, 5, 6}, E = {1, 2, 5}, F = {2, 4, 6}, and G = {2, 3} Are
ID: 2972212 • Letter: 1
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12. Let S = {1, 2, 3, 4, 5, 6}, E = {1, 2, 5}, F = {2, 4, 6}, and G = {2, 3} Are the events F and G mutually exclusive? A) yes B) no 13. What is the probability of arriving at a traffic light when it is red if the red signal is flashed for 30 sec, the yellow signal for 5 sec, and the green signal for 40 sec? A) The probability is 0.35 B) The probability is 0.40 C) The probability is 0.50 D) The probability is 0.45 14. The following breakdown of a total of 18,686 transportation fatalities that occured in 2007 was obtained from records compiled by the U.S. Department of Transportation (DOT). Mode of Transportation Car Train Bicycle Plane Number of Fatalities 16,525 842 698 538 What is the probability that a victim randomly selected from this list of transportation fatalities for 2007 died in a train or a plane accident? Round answer to two decimal places. A) 0.05 B) 0.11 C) 0.07 D) 0.08Explanation / Answer
Are the events F and G mutually exclusive?----Yes The probability of arriving at a traffic light when it is red if the red signal is flashed for 30 sec, the yellow signal for 5 sec, and the greet for 40 sec is 30/75 = 0.40.
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