A sleeping pill company have a pill that they claim will help you fall asleep in less than 30 minutes. A researcher is very skeptical  of this claim and believe that it is more than 30 minutes.  The researcher randomly collect 38 people and track how long it take them to fall asleep after they take the sleepy pill. The average mean time it took the 38 people to fall asleep is 31.5 minute with a standard deviation of 10.6 minutes.  Test the researcher claim at a 10% significant level.

MATLAB: An Introduction with Applications
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A sleeping pill company have a pill that they claim will help you fall asleep in less than 30 minutes. A researcher is very skeptical  of this claim and believe that it is more than 30 minutes.  The researcher randomly collect 38 people and track how long it take them to fall asleep after they take the sleepy pill. The average mean time it took the 38 people to fall asleep is 31.5 minute with a standard deviation of 10.6 minutes.  Test the researcher claim at a 10% significant level. 

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