Answer:
LCD(8/
15
, 11/
30
, 3/
5
) = LCM(15, 30, 5) = 2×3×5 = 30
Step-by-step explanation:
No of people not from their neighborhood=25-20=5
total contact s=25
therefore probability to call a person not from his neighborhood=5/25=1/5
therefore P=1/5
The percentage would be 73% but idk the rest