(a) Determine the proportion (probability) of 20- to 29-year-old males whose waist circumference is less than 100 cm. (b) Find the waist circumferences that represent the middle 90% of all waist circumferences. The waist circumferences are (c) Suppose that a random sample of 36 males who are 20 to 29 years old is obtained. Find the mean and standard deviation for the sampling distribution of the sample mean waist circumference X. Mean = and Standard deviation = (Round to 2 decimal places)

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
The waist circumference of males 20-29 years old is approximately distributed, with mean 92 cm
and standard deviation 13.5 cm.
For parts (a)-(d), round your answer to 2 decimal places.
(a) Determine the proportion (probability) of 20- to 29-year-old males whose waist circumference is
less than 100 cm.
(b) Find the waist circumferences that represent the middle 90% of all waist circumferences.
The waist circumferences are
(c) Suppose that a random sample of 36 males who are 20 to 29 years old is obtained. Find the
mean and standard deviation for the sampling distribution of the sample mean waist circumference
Xx.
Mean
and
Standard deviation:
(Round to 2 decimal places)
(d) What is the probability that a random sample of 36 males who are 20 to 29 years old has a
mean waist circumference within 5 cm of the mean?
Transcribed Image Text:The waist circumference of males 20-29 years old is approximately distributed, with mean 92 cm and standard deviation 13.5 cm. For parts (a)-(d), round your answer to 2 decimal places. (a) Determine the proportion (probability) of 20- to 29-year-old males whose waist circumference is less than 100 cm. (b) Find the waist circumferences that represent the middle 90% of all waist circumferences. The waist circumferences are (c) Suppose that a random sample of 36 males who are 20 to 29 years old is obtained. Find the mean and standard deviation for the sampling distribution of the sample mean waist circumference Xx. Mean and Standard deviation: (Round to 2 decimal places) (d) What is the probability that a random sample of 36 males who are 20 to 29 years old has a mean waist circumference within 5 cm of the mean?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 3 images

Blurred answer
Similar questions
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