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In: Statistics and Probability

he amount of pollutants that are found in waterways near large cities is normally distributed with...

he amount of pollutants that are found in waterways near large cities is normally distributed with mean 10 ppm and standard deviation 1.5 ppm. 36 randomly selected large cities are studied. Round all answers to 4 decimal places where possible.

  1. For the 36 cities, find the probability that the average amount of pollutants is less than 10.6 ppm.
  2. Find the IQR for the average of 36 cities. Round to two decimal places.
    Q1 =  ppm
    Q3 =  ppm
    IQR:  ppm

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Expert Solution

orchestra answered 2 years ago
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