2.8) Hello i need assistance with questions that need to be answered ASAP.
2.8) Hello i need assistance with questions that need to be answered ASAP. I am adding a screenshot of the
question. Thank you!
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A humane society claims that less than 37% of US. households own a dog. In a random sample of 395 US. households, 155 say they own a dog. Ata= 0.03, is
there enough evidence to supportthe society’s claim? (a) Write the claim mathematically and identify Ho and H3. [b] Find the critical valuejs} and identify the rejection region[s). {c} Find the standardized test statistic.
(d) Decide whether to reject or fail to reject the null hypothesis. and (e) interpret the decision in the context of the original claim. } (a) Which of the following correctly states Ho and Ha? OA. ”0120-3? OB. Huzp=U.3?
Ha: p<U.3Y Ha: piflfi?
OC. Hu:p<U.3’r’ OD. Hu:pSfl.37
Ha: p203? Ha: p>U_37 (b) What is (are) the critical value[s)? The critical value{s] istare El.
(Use a comma to separate answers as needed. Round to two decimal places as needed.) Which of the iollowing graphs has the rejection region(s) shaded correctly? Oh. OB. 0c. ‘3. a. a. El 2n -20 El Zn 20 I)
to} What is the standardized test statistic? z = D [Round to two decimal places as needed.)