Refer the below data table and answer the following Question.
Sleep Stage Percentage
Deep Sleep 25
Dreaming 5
Light sleep 10
Extremely light sleep 5
Awake 55
Between 10pm to 6am, a fitness band records the following data. How long was the user Dreaming or was in Extremely light sleep?
- A0.8 hours
- B0.3 hours
- C0.7 hours
- D1.3 hours
Solution & Step-by-step Explanation
First, find the total duration from 10pm to 6am:
Total Time=8 hours
The combined percentage of time spent Dreaming or in Extremely light sleep is:
Percentage=5%(Dreaming)+5%(Extremely light sleep)=10%
Now, calculate 10% of the total 8 hours:
Duration=
100
10
×8=0.8 hours
Total Time=8 hours
The combined percentage of time spent Dreaming or in Extremely light sleep is:
Percentage=5%(Dreaming)+5%(Extremely light sleep)=10%
Now, calculate 10% of the total 8 hours:
Duration=
100
10
×8=0.8 hours