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D ege Class sprin... College Class Sprin... The average carpenter in California is 33.4 years old with a standard deviation of 4.2 years. Using the empirical rule determine the range of ages that will be included in the area 95% around the mean? 26 to 40.8 22 to 45.9 O 27.5 to 42 25 to 41.8 Question 18 A generator company has determined it's custom long-lasting generator will function on average 18 months of straight running time with a standard deviation of 2 months. What is the long-lasting generator's Coefficient of Variation running time? 9.4934 13.2832 11.1111 10.2239 Question 19 A generator company has determined it's custom long-lasting generator will function on average 18 months of straight running time with a standard deviation of 2 months. What is the Z-score for a long-lasting generator that only runs for only 15 months of straight run time? 2.34 1.75 2.13 01.5 O Search D ege Class sprin... College Class Sprin... The average carpenter in California is 33.4 years old with a standard deviation of 4.2 years. Using the empirical rule determine the range of ages that will be included in the area 95% around the mean? 26 to 40.8 22 to 45.9 O 27.5 to 42 25 to 41.8 Question 18 A generator company has determined it's custom long-lasting generator will function on average 18 months of straight running time with a standard deviation of 2 months. What is the long-lasting generator's Coefficient of Variation running time? 9.4934 13.2832 11.1111 10.2239 Question 19 A generator company has determined it's custom long-lasting generator will function on average 18 months of straight running time with a standard deviation of 2 months. What is the Z-score for a long-lasting generator that only runs for only 15 months of straight run time? 2.34 1.75 2.13 01.5 O Search
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