For an effective parental skill study, a researcher asked: How many hours do the kids watch the television during a typi

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For an effective parental skill study, a researcher asked: How
many hours do the kids watch the television during a typical week
in Barcelona? The mean of 100 Kids (ages 6-11) spend about 23 hours
a week in front of the TV. Suppose the study follows a normal
distribution with standard deviation 4.
- Estimate the mean of all kids (ages 6-11) in Barcelona, using
95% confidence interval. (show all the calculations)
- Write the conclusion of your result