Answer:
Probability that a person will retake their selfie 3 times = 7/50
Explanations:
The total number of times the groupof people take selfies = 27+29+18+14+12
The total number of times the groupof people take selfies = 100
The number of times the selfie was taken thrice = 14
Probability that a person will retake their selfie 3 times = 14/100 = 7/50