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
Mathematics, 21.06.2019 16:00
Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.
Answers: 3
Mathematics, 21.06.2019 18:30
It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?
Answers: 1
Mathematics, 21.06.2019 20:30
Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error
Answers: 1
Mathematics, 22.06.2019 00:00
(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.
Answers: 1
Agallup poll asked a random sample of 1000 adults nation-wide the following question: : "are you in...
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