Problem #1
Gretchen knows the combination to a
bank vault lock is two letters followed by two numbers.
a) What is the probability that Gretchen guesses
the combination on her first attempt?
b) Suppose she knows the combination starts with
the letter M.
Problem #2
Each time Parker shoots a free throw
in basketball, he has an 80% chance of making the shot.
Suppose he is given 3 free throws. Find the probability of each event.
Suppose he is given 3 free throws. Find the probability of each event.
a) Makes the basket, misses the basket, makes
the basket
b) Makes all 3 shots
c) Misses all 3 shots
