Agroup of 55 pupils were asked if they owned a phone or a tablet.

11 people are known to own both

18 said they only owned a tablet

34 said they owned at least a phone

a student is picked a random, what is the probability that the student doesn’t have a phone or tablet? give your answer as a fraction in its simplest form.

select your answer from the list below:

a: 3/63

b: 3/55

c: 11/55

d: 18/55