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QUESTION

# test value

An advertising agency wants to compare the use of humor in television ads for the U.S. and England. A random sample of 400 ads in England finds that 142 use humor. A sample of 500 ads in the U.S. finds that 149 use humor. Test the claim that the proportion in England is not equal to the proportion in the U.S. Use alpha​= 0.01.

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