Question

A recent Associated Press report stated that 30% of dentists nationwide have experienced declining revenues during the past 5 years. You survey a random sample of 100 Indiana dentists and find that 24 of those surveyed report declining revenues. Is this sufficient sample evidence to reject a null hypothesis that the proportion of dentists in Indiana who have experienced declining revenues is the same as the national proportion of .30? Use a significance level of 5%.


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  • CreatedJuly 16, 2015
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