Mathematics, 06.10.2019 19:30 shongmadi77
Asimple random sample of 50 adults was surveyed, and it was found that the mean amount of time that they spend surfing the internet per day is 54.2 minutes, with a standard deviation of 14.0 minutes. what is the 99% confidence interval (z-score = 2.58) for the number of minutes that an adult spends surfing the internet per day?
remember, the margin of error, me, can be determined using the formula mc019-1.jpg.
49.1 minutes to 59.3 minutes
50.3 minutes to 58.1 minutes
54.2 minutes to 58.1 minutes
54.2 minutes to 59.3 minutes
Answers: 2
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Asimple random sample of 50 adults was surveyed, and it was found that the mean amount of time that...
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