Combinations
Make a list or tree diagram that shows how many options are there if you roll a 6 sided die and flip a coin?
12 total
A bag contains 5 blue marbles, 6 red marbles, 2 yellow marbles, and 7 green marbles. Find P(red).
6/20
What operation do we use in independent or dependent probability problems?
Multiplication
What is the probability of rolling an even number, a number larger than 5, and an odd number when rolling a dice 3 times?
1/2 x 1/6 x 1/2 = 1/24
A pizza place sells 12 different toppings, 3 crust flavors, and 3 sizes of pizza. How many different pizzas can you make?
108
A bag contains 5 blue marbles, 6 red marbles, 2 yellow marbles, and 7 green marbles. Find P(NOT blue).
15/20 = 3/4
Find the probability of a coin landing on heads and a die rolling a 4.
1/2*1/6 = 1/12
In a standard deck of cards, what is the probability of pulling a diamond, replacing it, and pulling a 9? P(diamond, then 9)
1/4 * 4/52 = 1/52
How many cheesecakes can you make with 3 fillings and 8 toppings?
24
In a standard deck of cards, what is the probability of pulling a diamond?
13/52 = 1/13
A box of candy has 20 jelly beans. There are 10 red jelly beans, 4 green jelly beans, 3 purple jelly beans, and 3 yellow jelly beans. You pull out a red jelly bean, eat it, and select another jelly bean. What’s the probability that you pulled a red jelly bean and then a second red jelly bean?
P(red, then red)
10/20 * 9/19 = 90/380 = 9/38
A bag contains 5 blue marbles, 6 red marbles, 2 yellow marbles, and 7 green marbles. Find P(blue, then a green) with replacement.
7/80
A car comes in 5 exterior colors (red, black, white, blue, grey), 2 interior colors (black, brown).
Make a list or tree to show all the car combinations.
Ms. Shockley has a class with 4 girls and 16 boys. All of their names are placed in a hat. What is the probability that a girl's name is chosen?
4/20 = 1/5
With a standard deck of cards, what is the probability of pulling a black card, putting it back, and then pulling a diamond?
1/2 *1/4 = 1/8
A class has 10 students in it, 4 boys and 6 girls. What is the probability that you will draw 3 boys names out of a hat. (without replacement)
P(3 boys)
4/10 * 3/9 * 2/8= 24/720 = 1/30
The new iPhone comes in 5 colors, 2 sizes, and 3 capacities. How many different iPhones could you order?
30
A box of candy has 3 lemon flavored pieces, 4 cherry flavored pieces, and 3 grape flavored pieces. Find P(cherry)
4/10 = 2/5
A bag contains 5 blue marbles, 6 red marbles, 2 yellow marbles, and 7 green marbles. Without replacement, find the probability of pulling a green marble, a second green marble, and then a red marble.
7/20 *6/19 * 6/18 = 7/190