file:///Users/chasejamescanterbury/Dropbox/Online%2021%20Take%20Home%20Final%20Plus%20Alternatives%202 %20per%20page.pdf 7) A random sample of 400 Spanish adults revealed that 143 were smokers. A random sampleof 300 American adults revealed that 70 were smokers. At the 0.05 level of significance, test the claim that the proportion of Spanish adults that smoke is greater than the proportion of American adults that smoke. MacBook Air F11 FI0 F9

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

Please answer number 7.

file:///Users/chasejamescanterbury/Dropbox/Online%2021%20Take%20Home%20Final%20Plus%20Alternatives%202 %20per%20page.pdf
7) A random sample of 400 Spanish adults revealed that 143 were smokers. A random sampleof
300 American adults revealed that 70 were smokers. At the 0.05 level of significance, test the
claim that the proportion of Spanish adults that smoke is greater than the proportion of
American adults that smoke.
MacBook Air
F11
FI0
F9
Transcribed Image Text:file:///Users/chasejamescanterbury/Dropbox/Online%2021%20Take%20Home%20Final%20Plus%20Alternatives%202 %20per%20page.pdf 7) A random sample of 400 Spanish adults revealed that 143 were smokers. A random sampleof 300 American adults revealed that 70 were smokers. At the 0.05 level of significance, test the claim that the proportion of Spanish adults that smoke is greater than the proportion of American adults that smoke. MacBook Air F11 FI0 F9
Expert Solution
Step 1

The appropriate null and alternative hypotheses are shown below:

H0: p1 = p2.

Ha: p1 > p2.

Step 2

The test statistic is obtained as follows:

п п,
Xy
1-
1-
п,
п,
п
п,
143
70
400 300
143
1-
400
143
70
70
1-
300
400
300
400
300
0.1242
0.0342
= 3.63
steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Knowledge Booster
Types of Data and Their Measurement
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.
Similar questions
  • SEE MORE 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