Apoll of american adults’ opinions about efforts to reform social security was conducted in 2004−2005 by the aarp, the nation’s largest organization for retired people. the poll results were criticized in some quarters because they included no respondents under the age of 30, even though voters aged 18 to 29 made up 17% of the 2004 electorate. by contrast, respondents aged 60 and above made up 34% of the sample but were only 24% of the electorate. this poll is most likely subject to which of the following types of bias?

the distance from any point on the parabola to the focus is the exact same as the distance from that point to the directrix.

if you could provide answer choices that might allow me to answer the question easier if my above answer isn't an option! (:

all group life insurance is term insurance. actually it is annual renewable term and it is rated on the average age and claims experience of the entire group, which is called "experience rating." remember, this type of insurance has a 31-day grace period and is convertible to whole life upon leaving employment. a contributory group plan requires that both the employer and the employees pay part of the premium. at least 75% of those eligible must participate, so the group is sure to get most of the healthy employees as well as those that are sick.

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the radius is 2 times the diameter.

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