The fourth grade wants to observe martin luther king day. they can show a video about his life or have a guest speaker. they can use confidence room for their program on wednesday, thursday, or friday. find the number of possible combinations by making a tree diagram

Which ratio is equivalent to 10: 85

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

What’s the answer ? use the picture to see the problem