It was claimed recently that more than  60%  of high school students in the United States use computers for educational purposes. We wish to examine this claim. We choose a random sample of  215  U.S. high school students and find that  140  of these students use computers for educational purposes. Based on this, can we conclude, at the  0.01  level of significance, that more than  60%  of high school students in the United States use computers for educational purposes? In your answers, denote the proportion of all U.S. high school students who happen to use computers for educational purposes by  p . Perform a one-tailed test.   The null hypothesis: H0:   The alternative hypothesis: H1:   The type of test statistic: (Choose one)ZtChi squareF             The value of the test statistic:(Round to at least three decimal places.)   The p-value:(Round to at least three decimal places.)   Can we conclude that more than  60%  of high school students in the United States use computers for educational purposes?   Yes     No

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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It was claimed recently that more than 

60%

 of high school students in the United States use computers for educational purposes. We wish to examine this claim. We choose a random sample of 

215

 U.S. high school students and find that 

140

 of these students use computers for educational purposes. Based on this, can we conclude, at the 

0.01

 level of significance, that more than 

60%

 of high school students in the United States use computers for educational purposes? In your answers, denote the proportion of all U.S. high school students who happen to use computers for educational purposes by 

p

.

Perform a one-tailed test.

 
The null hypothesis:
H0:
 
The alternative hypothesis:
H1:
 
The type of test statistic: (Choose one)ZtChi squareF      
     
The value of the test statistic:
(Round to at least three decimal places.)
 
The p-value:
(Round to at least three decimal places.)
 
Can we conclude that more than 
60%
 of high school students in the United States use computers for educational purposes?
 
Yes
 
 
No
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