Ten randomly selected people were asked how long

Mohamed Abdurashid

Mohamed Abdurashid

Open question

2022-06-03

Ten randomly selected people were asked how long they slept at night. The mean time 
was 7.1 hours, and the standard deviation was 0.78 hour. Find the 95% confidence 
interval of the mean time. Assume the variable is normally distributed.

 

 

 

 

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