Which one is a proportional relationship? (0214 & 8/16) (7/32 & 8/36) (04/6 & 8/21) (5/8 & 5/10)

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

If you answer 2+2 you will get over 80 points

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?