Among 200 students surveyed, 70 are from out-of-state, 150 live in queens and 50 out of state students live in queens. If a student is selected at random, find the probability that he or she is from out of state or lives in queens?

Question

anonymous · Answer

a nice venn diagram will help
you know how to make one for this?

anonymous · Answer

i think you are supposed to do "inclusion/exclusion" but we can make a diagram
start with the middle

anonymous · Answer

|dw:1412652739222:dw|

anonymous · Answer

that leaves |dw:1412652799192:dw|

anonymous · Answer

total is $170$ so $\frac{170}{200}$

anonymous · Answer

thank you :)

anonymous · Answer

yw