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A poll in 2017 reported that 683 out of 1032 adults in a certain country believe that marijuana should be legalized When this poll about
A poll in 2017 reported that 683 out of 1032 adults in a certain country believe that marijuana should be legalized When this poll about the same subject was rst conducted in 1969, only 12% of the adults of the country supported legalization. Assume the conditions for using the CLT are met. Complete parts (a) through (d) below. a. Find and interpret a 99% condence interval for the proportion of adults in the country in 2017 that believe marijuana should be legalized. The 99% condence interval for the proportion of adults in the country in 2017 that believe marijuana should be legalized is ( 0.625 , 0.699 ). (Round to three decimal places as needed.) Interpret this intenial. Select the correct choice below and ll in the answer boxes to complete your choice. (Type integers or decimals rounded to three decimal places as needed.) There is a % chance that the population proportion of adults who believe marijuana should be legalized is between and V We are 99 % condent that the population proportion of adults who believe marijuana should be legalized is between 0.625 and 0.699 . We are % condent that every sample proportion of adults who believe marijuana should be legalized is between and There is a "/0 chance that the sample proportion of adults who believe marijuana should be legalized is between and b. Find and interpret a 90% condence interval for this population parameter. The 90% condence interval for the proportion of adults in the country in 2017 that believe marijuana should be legalized is ( 0.638 , 0.686 ). (Round to three decimal places as needed.) Interpret this interval. Select the correct choice below and ll in the answer boxes to complete your choice. (Type integers or decimals rounded to three decimal places as needed.) V We are 90 % condent that the population proportion of adults who believe marijuana should be legalized is between 0.638 and 0.686 . There is a % chance that the sample proportion of adults who believe marijuana should be legalized is between and There is a % chance that the population proportion of adults who believe marijuana should be legalized is between and We are % condent that every sample proportion of adults who believe marijuana should be legalized is between and c. Find the margin of error for each of the condence intervals found in parts (a) and (b). The margin of error of the 99% condence interval is I: and the margin of error of the 90% condence interval is I: (Round to three decimal places as needed.)
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