← Chapter 7 Central L The X https://semainstructure.c. A a The amount of pollutants that are found in waterways near lar

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Chapter 7 Central L The X Https Semainstructure C A A The Amount Of Pollutants That Are Found In Waterways Near Lar 1 (41.54 KiB) Viewed 41 times

← Chapter 7 Central L The X https://semainstructure.c. A a The amount of pollutants that are found in waterways near large cities is normally distributed with mean 9.2 ppm and standard deviation 1.4 ppm. 35 randomly selected large cities are studied. Round all answers to 4 decimal places where possible. pollutants is less than 8.8 ppm. e. For part d), Ⓒ Yes No f. Find the IQR for the average of 35 cities. 01- ppm 03- ppm IQR: Hint a. What is the distribution of X? X-NO b. What is the distribution of ?-N c. What is the probability that one randomly selected city's waterway will have less than 8.8 ppm pollutants? d. For the 35 cities, find the probability that the average amount of 100°F Sunny Some Helpful Videos: (a) is the assumption that the distribution is normal necessary? 2 W ppm # 3 E # a 1 $ 4 % PET R 5 T 6