s/d/e/1FAlpQLSFEMIvOQZDH7a7CWcuTT9U-O-HiPTDYrtfs-OteRkHvqlgfgA/formResponse 1 point 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 nomally distributed. O 6.67

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s/d/e/1FAlpQLSFEMIvOQZDH7a7CWcuTT9U-O-HiPTDYrtfs-OteRkHvqlgfgA/formResponse
1 point
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
nomally distributed.
O 6.67<u<7.76
O 6.92<u<7.276
O 6.54<p<7.66
O 6.12<u<7.16
1 pc
Transcribed Image Text:s/d/e/1FAlpQLSFEMIvOQZDH7a7CWcuTT9U-O-HiPTDYrtfs-OteRkHvqlgfgA/formResponse 1 point 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 nomally distributed. O 6.67<u<7.76 O 6.92<u<7.276 O 6.54<p<7.66 O 6.12<u<7.16 1 pc
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