An instructor gives his class a set of 17 problems with the information that the next quiz will consist of a random selection of 8 of them. If a student has figured out how to do 10 of the problems, what is the probability the he or she will answer correctly:
1) all 8 problems?
8 question from 17 can be selected in 17C8 ways
1)
All 8 question are selected from 10
this can be done in 10C8 ways
Probability = 10C8/17C8
= 0.0019
An instructor gives his class a set of 17 problems with the information that the next...