Title: Each small square has sides of length 1 unit. How many distinct paths of length six units are there
1Each small square has sides of length 1 unit.
How many distinct paths of length six units are
there from A to B
.
B
.
A
2Andy has 3 pairs of pants 1 gray 1 blue and 1
black. He has 2 shirts 1 white and 1 red. If
Andy picks 1 pair of pants and 1 shirt how many
different outfits does he have
3Andy can choose 1 of 3 pairs of pants and 1 of 2
shirts. A tree diagram can help you count his
choices. pants shirts gray
white red blue white red black whit
e red
3 2 6 different
outfits
4You can also use the counting principle. n
m n m first
second total choices choices choices
5Find the total number of choices. 1. Moesha
has 6 pairs of socks and 2 pairs of sneakers.
She chooses 1 pair of socks and 1 pair of
sneakers. How many possible combinations are
there 2. Kim has 5 swimsuits 3 pairs of
sandals and 2 beach towels. In how many ways
can she pick one of each
6- Use the counting principle to find the total
number of choices. - How many license plates are possible if four
letters are to be followed by two digits - How many license plates are possible if two
letters are to be followed by four digits
7Two different numbers are randomly selected from
the set 1 2 3 4 5 6 7. What is the
probability that their sum is at least 7
Express your answer as a common fraction.
