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set problem 2
Another question: At a certain hospital, 75% of the interns receive fewer than 6 hours of sleep and report feeling tired duringtheir shifts. At the same time, 70% of the interns who receive 6 or more hours of sleep report no feelings of tiredness. If 80% of the interns receive fewer than 6 hours of ...
- by creative1
Sun Nov 11, 2012 6:50 am- Forum: Problem Solving
- Topic: set problem 2
- Replies: 6
- Views: 1587
set problem1
Can somebody help me solve the following question? All of the students of Music High School are in the band, the orchestra, or both. 80 percent of the students are in only one group. There are 119 students in the band. If 50 percent of the students are in the band only, how many students are in the ...
- by creative1
Sun Nov 11, 2012 6:49 am- Forum: Problem Solving
- Topic: set problem1
- Replies: 2
- Views: 1034