Mathematics, 13.02.2020 23:27 leahjade0307
According to a survey conducted by Deloitte in 2017, 0.4775 of U. S. smartphone owners have made an effort to limit their phone use in the past. In a sample of 72 randomly selected U. S. smartphone owners, what is the probability that no more than 30 will have attempted to limit their cell phone use in the past?
1) 0.1801
2) 0.0278
3) 0.05554) 0.1246
5) 0.8199
Answers: 3
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According to a survey conducted by Deloitte in 2017, 0.4775 of U. S. smartphone owners have made an...
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