Homework Help is Here – Start Your Trial Now!
Math
Statistics
In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the death of President Kennedy. Assume a recent poll asked 1020 American adults if they believe there was a conspiracy in the assassination and it found that 790 believe there was a conspiracy. Does the data show that the proportion of Americans who believe in this conspiracy is now lower? Test at the 4% level.

In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the death of President Kennedy. Assume a recent poll asked 1020 American adults if they believe there was a conspiracy in the assassination and it found that 790 believe there was a conspiracy. Does the data show that the proportion of Americans who believe in this conspiracy is now lower? Test at the 4% level.

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
icon
Related questions
Question

In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the death of President Kennedy. Assume a recent poll asked 1020 American adults if they believe there was a conspiracy in the assassination and it found that 790 believe there was a conspiracy. Does the data show that the proportion of Americans who believe in this conspiracy is now lower? Test at the 4% level.

T: TEST STATISTIC The symbol and value of the random variable on this problem are as follows: Leave this answer as a fraction. ? ✓ = The formula set up of the test statistic is as follows.: (Leave any values that were given as fractions as fractions) z = P-p V Z = p(1-P) n Final answer for the test statistic from technology. Round to 2 decimal places: O: OBTAIN THE P-VALUE P-value = √√C Report to 4 decimal places. It is possible when rounded that a p-value is 0.0000 M: MAKE A DECISION (1- Since the p-value ? ✓ we Select an answer ] » [
Transcribed Image Text:T: TEST STATISTIC The symbol and value of the random variable on this problem are as follows: Leave this answer as a fraction. ? ✓ = The formula set up of the test statistic is as follows.: (Leave any values that were given as fractions as fractions) z = P-p V Z = p(1-P) n Final answer for the test statistic from technology. Round to 2 decimal places: O: OBTAIN THE P-VALUE P-value = √√C Report to 4 decimal places. It is possible when rounded that a p-value is 0.0000 M: MAKE A DECISION (1- Since the p-value ? ✓ we Select an answer ] » [
H: HYPOTHESES Fill in the correct null and alternative hypotheses: Ho: ? ✓ ? ♥ HA: ? ? ✓ A: ASSUMPTIONS Since Select an answer information was collected from each object, what conditions do we need to check? Check all that apply. Oo is known. np > 10 On(1-p) ≥ 10 o is unknown. n> 30 or normal population. N≥ 20n Check those assumptions: 1. np = 2. n(1 - - p) = 3. N = which is ? ✓ which is ? ✓ which is ? ✓ If no N is given in the problem, use 1000000
Transcribed Image Text:H: HYPOTHESES Fill in the correct null and alternative hypotheses: Ho: ? ✓ ? ♥ HA: ? ? ✓ A: ASSUMPTIONS Since Select an answer information was collected from each object, what conditions do we need to check? Check all that apply. Oo is known. np > 10 On(1-p) ≥ 10 o is unknown. n> 30 or normal population. N≥ 20n Check those assumptions: 1. np = 2. n(1 - - p) = 3. N = which is ? ✓ which is ? ✓ which is ? ✓ If no N is given in the problem, use 1000000
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 7 steps with 28 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
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
SEE MORE TEXTBOOKS