A government agency in a northestern city

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A government agency in a Northestern city wishes to evaluate the effectiveness of a recently launched program to prevent alcohol drinking among teenagers.  Before the program was lauched a study found that the proportion of teen-drinking in the city was 13%.   They select a random sample of  n=100 teenagers and found that 9 of them had drank alcohol.  Using a significance level of 5%, what would be the conclusion of a hypothesis test to determine if the proportion of teen-drinking in the city has decreased ?

Reject Ho, there is evidence that the proportion of teen-drinking has decreased                                                                                           

Do not Reject Ho.  There is no evidence that the proportion of teen drinking has decreased                                                                                           

Cannot be determined based on the information given

 

 

Reference no: EM13986656

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