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Do Kids Spend Too Much Time on Electronic Devices?
In a nationwide poll of 1000 randomly sampled adults conducted in June 2011,83% said they think children spend too much time on their computers and other electronic devices (but 37% say time spent on a computer is better than time spent in front of a TV. ^(1)
Find a 99% confidence interval for the proportion of adults who believe children spend too much time on electronic devices.
Round your answers to three decimal places.
The 99% confidence interval is â—» to â—»
What is the margin of error for this result?
Round your answer to three decimat places.
margin of error = â—»
Is it plausible that the proportion of all adults who feel this way is less than 79% ?
â—»
Is it plausible that the proportion is greater than 84% ?
â—»