Please a, b and c The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.6ppm and standard deviation 1.8 ppm. 38 randomly selected large cities are studied. Round all answers to 4decimal places where possible.a. What is the distribution of X? X- N(b. What is the distribution of a? - N(c. What is the probability that one randomly selected city's waterway will have less than 7.6 ppmpollutants? o.2877d. For the 38 cities, find the probability that the average amount of pollutants is less than 7.6 ppm.e. For part d), is the assumption that the distribution is normal necessary? O Yes Nof. Find the IQR for the average of 38 cities.Q11 =ppmQ3ppmIQR:ppmHint:Some Helpful Videos:• Finding the Sampling Distribution [+]• Finding a Probability Using the Central Limit Theorem [+]• Finding Value Given a Probability Using the Central Limit Theorem [+]• The Central Limit Theorem For Sums [+]

Name: Please a, b and c The amount of pollutants that are found in waterways
Uploaded: 2024-03-20T06:38:44.000Z
Channel: Bartleby
Description: Please a, b and c The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.6ppm and standard deviation 1.8 ppm. 38 randomly selected large cities are studied. Round all answers to 4decimal places wher