Researchers at Jackson Hospital asked 40 randomly selected patients about their sleep habits. Sixteen reported sleeping 8 hours or more each night. If there are 700 patients in the hospital, estimate the number of patients who sleep 8 hours or more each night.
A. 140
B. 160
C. 180
D. 280
plz help
Its D
Thx
Your welcome! :D have a nice day and stay safe
Help on my next question
A movie complex has eight different movie theaters. The manager of the complex wants to conduct a survey to determine which snacks to add to the menu. Which represents the best sample the manager could use for the survey?
A. Survey the first 100 movie-goers leaving the movie complex
B. Survey 100 randomly selected movie-goers that just watched a drama movie
C. Survey 100 randomly selected movie-goers in the 10-year-old to 40-year-old age bracket
D. Survey 100 randomly selected movie-goers from the entire complex
Ok! the answer is Survey 100 randomly selected movie-goers from the entire complex
WHAT??? YOUR NOT MY TEACHER
She's not my teacher! I got the answers right here:
1. similar
2. the point of view of the author
3. purpose
4. subject