Question

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The mean daily TV viewing time per houshold is 8.2 hours. Suppose the daily TV viewing times are normally distributed with a standard deviation of 2.1 hours. What viewing time is 1.43 standard deviations above the mean? 0 14.73 hours 0 11.20 hours 0 13.83 hours 0 5.20 hours

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Answer & Explanation
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Answer : Option b : 11..20 

Viewing time = mean + 1.43 * standard deviation 

Viewing time = 8.2 + 1.43 * 2. 1 

Viewing time = 11.20

Step-by-step explanation

Answer : Option b : 11..20 

Viewing time = mean + 1.43 * standard deviation 

Viewing time = 8.2 + 1.43 * 2. 1 

Viewing time = 11.20

 

 

 

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