(a) What proportion of families generates less than 16 lbs of glass garbage each year? (Round your answer to the nearest hundredth.) (b) If a family is selected at random, what is the probability that it generated less than 16 lbs of glass garbage in a year? (Round your answer to the nearest hundredth.) (c) If a sample of 29 families is randomly selected, what is the probability that the sample mean is below 16 lbs? (Round your answer to the nearest hundredth.) (d) If a sample of 29 families is randomly

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
A large survey found that an American family generates an average of 16.8 lb of glass garbage each year. Assuming normal distribution with the standard deviation of 3.1 pounds.

(a) What proportion of families generates less than 16 lbs of glass garbage each year? (Round your answer to the nearest hundredth.)



(b) If a family is selected at random, what is the probability that it generated less than 16 lbs of glass garbage in a year? (Round your answer to the nearest hundredth.)



(c) If a sample of 29 families is randomly selected, what is the probability that the sample mean is below 16 lbs? (Round your answer to the nearest hundredth.)



(d) If a sample of 29 families is randomly selected, what is the probability that the sample mean is above 18 lbs? (Round your answer to the three decimal places.)

 

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
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