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March 28, 2015

March 28, 2015

Posted by **JAY** on Monday, November 28, 2011 at 2:46pm.

Children and McDonaldfs In a Sports Illustrated for Kids survey of 603 children, 43%

preferred McDonaldfs for fast food. The next highest rating went to Taco Bell, preferred by

13% of the children. An advertising executive claims that McDonaldfs is preferred by less than

half of all children. Test that claim using a 0.05 significance level.

I think I use the following formula:

z = p-hat - p / ć pq/n

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