Mathematics, 21.11.2019 20:31, gracekerleyy

Agallup poll asked a random sample of 1000 adults nation-wide the following question: : "are you in favor of the death penalty for a person convicted of murder? " 71% of the people in the sample answered "yes".
1. a 95% confidence interval for the percent of all adults nation-wide in favor of the death penalty is (hint: fill in the first blank with the sample % and the second with the margin of error.)

（） % +/- （）%
a recent cbs new poll randomly sampled 1,142 adults nationwide asking them the following question:
"as you may know, the legal drinking age is 21. would you approve or disapprove of states lowering the drinking age to 18, if the states felt that would give the police more time to enforce other laws? " 24% answered that they approved.
1. what is the expected value for the percent of all us adults who would say they approve of lowering the drinking age to 18, if the states felt that would give the police more time to enforce other laws? （）%
2. what is the sd of the sample? (round to 3 decimal places.)
3. calculate the se of the percentage of people in the sample who answered "approve". (round to 2 decimal places.)

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:30, kameronstebbins

High school seniors with strong academic records apply to the nation’s most selective colleges in greater numbers each year. because the number of slots remains relatively stable, some colleges reject more early applicants. suppose that for a recent admissions class, an ivy league college received 2851 applications for early admission. of this group, it admitted 1033 students early, rejected 854 outright, and deferred 964 to the regular admission pool for further consideration. in the past, this school has admitted 18% of the deferred early admission applicants during the regular admission process. counting the students admitted early and the students admitted during the regular admission process, the total class size was 2375. let e, r, and d represent the events that a student who applies for early admission is admitted early, rejected outright, or deferred to the regular admissions pool. suppose a student applies for early admission. what is the probability that the student will be admitted for early admission or be deferred and later admitted during the regular admission process?

Answers: 3

continue

Mathematics, 21.06.2019 23:30, jose477

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x

Answers: 1

continue

Mathematics, 22.06.2019 00:30, mdaniella522

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

Answers: 2

continue

Mathematics, 22.06.2019 01:00, sparky1234

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq