According to a September 2012 Nielsen study, 58% of teenagers (age 13 - 18 ) have a smartphone.
If we select 8 teenagers at random, find the probability of each outcome described below.
a) The first smartphone owner is the fourth person chosen.
b) There is at least 1 smartphone among the 8 people.
c) The first smartphone owner is the second or third person chosen.
d) There are exactly 6 smartphones in the group.
e) There are at least 6 smartphones in the group.
f) There are no more than 6 smartphones in the group.