How many different ways can a person select 3 textbooks from a possible 18
If 70 % of the people the population have internet access from their home, find the probabilty that from a group of 20 people exactly 8 have access to the intenet
Find the standard deviation for the problem below
0,1,2,3,4,5
0.25, 0.10, 0.30, 0.10, 0.20, 0.05