The National Health Interview Survey is conducted annually by the Centers for Disease Control and Prevention. By examining information gathered from a national sample of 600 respondents throughout the United States, it was able to announce that 13.3 percent of all Americans under age 65 lacked health insurance. To make this statement, the Centers for Disease Control and Prevention had to use a. focus groups.
b. no constraints.
c. internal secondary data.
d. statistical inference.
e. interpolation.

Apolling company reported that 57​% of 1013 surveyed adults said that cellular phones are "quite annoying." complete parts​ (a) through​ (d) below. a. what is the exact value that is 57​% of 1013​? the exact value is 577.41. ​(type an integer or a​ decimal.) b. could the result from part​ (a) be the actual number of adults who said that cellular phones are "quite annoying" question mark why or why​ not? a. ​no, the result from part​ (a) could not be the actual number of adults who said that cellular phones are "quite annoying" because that is a very rare opinion. b. ​yes, the result from part​ (a) could be the actual number of adults who said that cellular phones are "quite annoying" because the results are statistically significant. c. ​yes, the result from part​ (a) could be the actual number of adults who said that cellular phones are "quite annoying" because the polling numbers are accurate. d. ​no, the result from part​ (a) could not be the actual number of adults who said that cellular phones are "quite annoying" because a count of people must result in a whole number. c. what could be the actual number of adults who said that cellular phones are "quite annoying" question mark the actual number of adults with this opinion could b