Homework Help is Here – Start Your Trial Now!
Math
Statistics
The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.8 ppm and standard deviation 1.4 ppm. 37 randomly selected large cities are studied. Round all answers to 4 decimal places where possible.

The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.8 ppm and standard deviation 1.4 ppm. 37 randomly selected large cities are studied. Round all answers to 4 decimal places where possible.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
Question
Pls help with question 8
F rtly cloudy The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.8 ppm and standard deviation 1.4 ppm. 37 randomly selected large cities are studied. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N 8.8 ✓1.4 b. What is the distribution of ? I-N 8.8 ✓0.2301 c. What is the probability that one randomly selected city's waterway will have less than 8.3 ppm pollutants? d. For the 37 cities, find the probability that the average amount of pollutants is less than 8.3 ppm. Question Help: Written Example Message instructor e. For part d), is the assumption that the distribution is normal necessary? Yes No o Submit Question ER Jump to Answer S Q Search T 6 & ✓0¹0¹ b U 00 می می 8 → E
Transcribed Image Text:F rtly cloudy The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.8 ppm and standard deviation 1.4 ppm. 37 randomly selected large cities are studied. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N 8.8 ✓1.4 b. What is the distribution of ? I-N 8.8 ✓0.2301 c. What is the probability that one randomly selected city's waterway will have less than 8.3 ppm pollutants? d. For the 37 cities, find the probability that the average amount of pollutants is less than 8.3 ppm. Question Help: Written Example Message instructor e. For part d), is the assumption that the distribution is normal necessary? Yes No o Submit Question ER Jump to Answer S Q Search T 6 & ✓0¹0¹ b U 00 می می 8 → E
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 6 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS