IN A CITY 250 MEN OUT OF 750 WERE FOUND TO B

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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PROBLEM 1

IN A CITY 250 MEN OUT OF 750 WERE FOUND TO BE SMOKERS. DOES THIS INFORMATION SUPPORT THE CONCLUSION THAT THE MAJORITY OF MEN IN THIS CITY ARE SMOKERS? ( answer in value )

PROBLEM 2A SAMPLE SIZE OF 36 WAS DRAWN AND ITS MEAN WAS FOUND TO BE 80. TEST WHETHER THIS SAMPLE COULD HAVE COME FROM A NORMAL POPULATION WITH MEAN 90 AND VARIANCE 225?

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