Respuesta :
Answer:
3/20
Step-by-step explanation:
The prbability space is 20 in this case
P(S)=20
The probability of selecting a student is 1/20
For selecting 3 students, the probability will be;
1/20 +1/20 +1/20 = 3/20
Answer:
3/20
Step-by-step explanation:
The prbability space is 20 in this case
P(S)=20
The probability of selecting a student is 1/20
For selecting 3 students, the probability will be;
1/20 +1/20 +1/20 = 3/20