The U.S. Commission on Crime randomly selects 600 files of recently committed crimes in an area and finds 380 in which a firearm was reportedly used. Find a 99% confidence interval for p, the true fraction of crimes in the area in which some type of firearm was reportedly used.

Question

The U.S. Commission on Crime randomly selects 600 files of recently committed crimes in  an area and finds 380 in which a firearm was reportedly used. Find a 99% confidence interval for p, the true fraction of crimes in the area in which some type of firearm was reportedly used.

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The Answer of The U.S. Commission on Crime randomly selects 600 files of recently committed crimes in  an area and finds 380 in which a firearm was reportedly used. Find a 99% confidence interval for p, the true fraction of crimes in the area in which some type of firearm was reportedly used.

The US Commission on Crime Randomly Selects 600 Files of Recently