Pew Internet and American Life Project want to know whether cell phone users had used their cell phone to look up health or medical information. In 2022, cell phones are used much more than they were in 2010 . They ask a SRS of 1278 cell phone users whether they have used their cell phone to look up health or medical information. 650 said yes and the rest said no.
Give a 99% large-sample confidence interval for the proportion of cell phone users who use their cell phone to look up health or medical information.
[0.481, 0.536]
[0.485, 0.532]
0.473,0.545
0.495,0.523
Pew Internet and American Life Project want to know whether cell phone users had used their cell phone to look up health or medical information. In 2022, cell phones are used much more than they were in 2010. They ask a SRS of 1278 cell phone users whether they have used their cell phone to look up health or medical information. 650 said yes and the rest said no.
Give a 99% large-sample confidence interval for the proportion of cell phone users who use their cell phone to look up health or medical information.
O [0.481, 0.536]
O [0.485, 0.532]
O [0.473, 0.545]
O [0.495, 0.523]