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Use the calculator displays to the right to make a decision to reject or fail to reject the null hypothesis at a significance level of α=0.05.       ​Z-Test   ​Z-Test   Inpt: Data Stats       μ≠50   μ0​:50     z=−1.40859042

Use the calculator displays to the right to make a decision to reject or fail to reject the null hypothesis at a significance level of α=0.05.       ​Z-Test   ​Z-Test   Inpt: Data Stats       μ≠50   μ0​:50     z=−1.40859042

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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 Use the calculator displays to the right to make a decision to reject or fail to reject the null hypothesis at a significance level of α=0.05.

 

 

 
​Z-Test
 
​Z-Test
 
Inpt: Data
Stats
 
 
 
μ≠50
 
μ0​:50
 
 
z=−1.40859042
 
σ​:5.25
 
 
p=0.15895631
 
x​:48.75
 
 
x=48.75
 
​n:35
 
 
n=35
 
μ:
≠μ0
<μ0
>μ0
 
 
 
 
 
Calculate Draw
 
 
 
 
 
 
Choose the correct answer below.
 
 
A.
Since the​ P-value is
greater
than
α​,
reject
the null hypothesis.
 
B.
Since the​ P-value is
less
than
α​,
reject
the null hypothesis.
 
C.
Since the​ P-value is
less
than
α​,
fail to reject
the null hypothesis.
 
D.
Since the​ P-value is
greater
than
α​,
fail to reject
the null hypothesis.
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