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
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Mathematics, 22.06.2019 02:00
The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.
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Agallup poll asked a random sample of 1000 adults nation-wide the following question: : "are you in...
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