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All I need from the following question is the following data: 1)EITHER state the critical values and use the critical values/z-obtained comparison OR use the p-value/alpha comparison to make a decision. And 2) State a conclusion.

All I need from the following question is the following data: 1)EITHER state the critical values and use the critical values/z-obtained comparison OR use the p-value/alpha comparison to make a decision. And 2) State a conclusion.

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
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All I need from the following question is the following data: 1)EITHER state the critical values and use the critical values/z-obtained comparison OR use the p-value/alpha comparison to make a decision. And 2) State a conclusion.
4. Test a hypothesis that the proportion of adult Americans who do not feel safe walking at their neighborhood at night (FEAR) is different from 0.3. Use a=0.01. (Hint: recode "FEAR" variable first). Ho: = 0.3 H:µ # 0.3 One-Sample Statistics Std. Std. Error Mean Deviation Mean Terror 2867 .2107 .40786 .00762 One-Sample Test Test Value = 0.3 99% Confidence Interval of the Significance Difference One-Sided Two-Sided Mean Upper -0697 df Difference Lower Terror -11.727 2866 <,001 <.001 -.08933 -1090 to search PrtScn Home End Poup PODn
Transcribed Image Text:4. Test a hypothesis that the proportion of adult Americans who do not feel safe walking at their neighborhood at night (FEAR) is different from 0.3. Use a=0.01. (Hint: recode "FEAR" variable first). Ho: = 0.3 H:µ # 0.3 One-Sample Statistics Std. Std. Error Mean Deviation Mean Terror 2867 .2107 .40786 .00762 One-Sample Test Test Value = 0.3 99% Confidence Interval of the Significance Difference One-Sided Two-Sided Mean Upper -0697 df Difference Lower Terror -11.727 2866 <,001 <.001 -.08933 -1090 to search PrtScn Home End Poup PODn
Expert Solution
Step 1

Given that 

Hypothesized Population Mean (\mu) = 0.3
Population Standard Deviation (\sigma) = 0.40786
Sample Size (n) = 2867
Sample Mean (\bar X) = 0.2107
Significance Level (\alpha) 0.01
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