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in Exercises 17 22, a normal distribution has a mean of 33 and a standard deviation of 4. Complete the blank normal curve. Then find the probability that a randomly selected-x-value from the distribution is in the given interval. (See Example 2) 17. between 29 and 37 18. between 33 and 45 19. at least 25 20. at least 29 21. at most 37 22. at most 2! _ ons (See Complete the blank normal curve for the following situation. Then answer the quest! Example 2) 26. PROBLEM SOLVING The times a re department takes to arrive at the scene of an emergency are normally distributed with a mean of 6 minutes and a standard deviation of 1 minute. a. For about what percent of emergencies does the re department arrive at the scene in 8 minutes or less ? b- The goal of the re department is to reach the scene of an emergency in 5 minutes or less. About what percent of the time does the re department achieve its goal? Determine whether each histogram has a normal distribution. If not, state why not. (See example 3) - 34. '~ Time to Complete an Exam 8 33. i I i Lcull\" \"II. 40 41 42 43 44 4s 46 47 48 49 50 ii Time (minutes) U.S. Employment, Ages 4074 95' yd") 47 9" 6" 4 Age (year5) 0'1 Frequency (millions) on 0 Frequency 4: h N --_.-.!