4) [5 pts] The following two-way table summarizes the result from 909 vehicular accidents involving pedestrians. Pedestrian intoxicated Pedestrian not intoxicated Driver intoxicated 55 61 Driver not intoxicated 269 524 a) In how many accidents was the driver not intoxicated? b) In what percentage of accidents were both the pedestrian and driver intoxicated? c) What is the probability that in a randomly selected vehicular accident the pedestrian intoxicated? 5) [4 pts] The following dot plot shows the number of hours per week high school students spend playing a sport. Each dot represents a different sixth grader. a) How many students played at least 4 hours every week? Dot Plot of Number of Hours . . . b) Identify the shape of the distribution. ... .. ... 1 2 3 4 5 6 7 8 9 10 11 12 Number of Hours Playing a Sport c) Does this dot plot show outliers? If yes, list them. 6) [6 pts] The weights of newborn babies are normally distributed with a mean of 3000 grams and standard deviation 500 grams. a) What percentage of newborn babies are between 2000 and 4000 grams