A survey of 1970 people who took trips revealed that 165 of them included a visi

Question

A survey of 1970 people who took trips revealed that 165 of them included a visit to a theme park. Based on those survey results, a management consultant claims that less than 9% a trips incline a theme park claim using the alpha = 0.04 significant level, The test statistic is The critical is The conclusion is A. There is sufficient evidence is support the claim that less than 9% of trips include a theme park visit. B. There is not sufficient evidence to support the claim less than 9% of trips include a theme park visit.

Explanation / Answer

please reply if x=165 and significance ;level =0.05 is not.

here p=0.09

hence std error =(p(1-p)/n)1/2  where n=1970

=0.0064

phat =165/1970=0.084

hence test statistic =(phat-p)/std error =-0.9683

and p value =0.1664

conclusion : do not reject null hypothesis.

there is not sufficient evidence................ option B

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