80 adults over 50, what is the mean and standard deviation of those that wear sunglasses? Select one: а. mean: 63.2; standard deviation: 7.94984277 b. mean: 16.8; standard deviation: 7.94984277 С. mean: 63.2; standard deviation: 3.64307562 d. mean: 16.8; standard deviation: 3.64307562

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

I can solve this with a calculator, but I want to be able to solve this without one. I would like the step by step option so I can recognize it easier. 

A recent survey found that 79% of all adults over 50
wear sunglasses for driving. In a random sample of
80 adults over 50, what is the mean and standard
deviation of those that wear sunglasses?
Select one:
а.
mean: 63.2; standard deviation:
7.94984277
b. mean: 16.8; standard deviation:
7.94984277
С.
mean: 63.2; standard deviation:
3.64307562
d. mean: 16.8; standard deviation:
3.64307562
Transcribed Image Text:A recent survey found that 79% of all adults over 50 wear sunglasses for driving. In a random sample of 80 adults over 50, what is the mean and standard deviation of those that wear sunglasses? Select one: а. mean: 63.2; standard deviation: 7.94984277 b. mean: 16.8; standard deviation: 7.94984277 С. mean: 63.2; standard deviation: 3.64307562 d. mean: 16.8; standard deviation: 3.64307562
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

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