SOLUTION: Children Watching TV. The A.C. Nielsen Company reports in te Nielsen Report on Television that te mean weekly television viewing time for children aged 2-11 years is 24.50 hours.

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Question 265607: Children Watching TV. The A.C. Nielsen Company reports in te Nielsen Report on Television that te mean weekly television viewing time for children aged 2-11 years is 24.50 hours. Assume that the weekly television viewing times of such children are normally distributed with a standard deviation of 6.23 hours and apply the 68.26-95.44-99.74 rule to fill in the blanks.
a. 68.26% of all such children watch between ________ and _________ hours of TV per week.
b. 95.44% of all such children watch between ________ and __________ hours of TV per week
c. 99.74% of all such children watch between ________ and ___________ hours of TV per week.





Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Children Watching TV. The A.C. Nielsen Company reports in te Nielsen Report on Television that the mean weekly television viewing time for children aged 2-11 years is 24.50 hours.
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Assume that the weekly television viewing times of such children are normally distributed with a standard deviation of 6.23 hours and apply the 68.26-95.44-99.74 rule to fill in the blanks.
a.68.26% of all such children watch between 18.24 and 30.57 hours of TV per week.
Ans: 24.5-6.23= 18.27 ; 24.5+6.23 = 30.57
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b. 95.44% of all such children watch between 24.5-2*6.23 and 24.5+2*6.23 hours of TV per week
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c. 99.74% of all such children watch between 24.5-3*6.23 and 24.5+3*6.23 hours of TV per week.
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Cheers,
Stan H.

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