Simple Events
Tree Diagrams / FCP
Independent Probability
Dependent Probability
Predictions & Simulations
100
The probability that event A occurs is 0.92. The probability that event A does NOT occur is...
0.08
100
The table below lists all of the options one has for purchasing flowers for Mother's Day. How many different combinations of 1 flower choice and 1 vase color are available?
There are 12 different combinations.
100
Bobby spins the spinners below. What is the probability that Bobby's first spin lands on red and his second spin stops on the letter B?
The probability is 1/12.
100
A box contains 5 purple, 3 green and two orange marbles. If you randomly choose a marble without replacing it, what is the probability of selecting an orange marble and then a green marble.
Write your answer as a SIMPLIFIED fraction.
The probability is 1/15.
100
Miko has 8 blue chips, 9 white chips and 3 red chips in a bag.
- Without looking, Miko pulls a chip out, records the color, and puts it back in the bag. He does this 300 times.
About how many times could Miko expect to pull a red chip out of the bag?
She could expect to pull a red chip out of the bag about 45 times.
200
Nevaeh sorted her Halloween candy according to the chart below. Nevaeh selects a candy bar at random.
What is the probability the candy bar selected will be a KitKat?
The probability is 6/19 or 0.316 or 31.6%.
200
How many different choices of sandwiches, consisting of one type of bread, one type of meat and one type of cheese would you have?
You would have 12 different choices.
200
What is the probability Amelia picks an even number from the deck below, replaces it, and picks another even number? Write your answer as SIMPLIFIED fraction.
The probability is 5/8.
200
The bouquet of flowers that you bought has 7 purple flowers, 9 yellow flowers, and 2 pink flowers. If you randomly choose a flowers from the bouquet to take home without replacing them, find the probability of picking a purple flower and then an orange flower.
The probability is 0%.
200
Approximately 2 out of every 6 students in Jessie's class DO NOT own a dog. Jessie designed a simulation to model data for 20 students.
- Jessie used a number cube with a different digit from 1 through 6 on each face. The digits 1 through 4 represent students who own a dog, and the digits 5 and 6 represent students who DO NOT own a dog. Jessie rolled the number cube 20 times.
Here are the results:
Based on the results of the simulation, out of 200 students in Jessie's school, what number of students would be expected to NOT own a dog?
80 students would be expected to NOT own a dog.
300
Mrs. salters has the following cards in a bag. What is the probability that she will randomly select a card with a 3 on it? Write your answer as a simplified fraction.
The probability is 1/6.
300
Isabelle's Ice Cream Shop has four flavors of ice cream; vanilla, chocolate, strawberry and butter pecan. Each ice cream comes with a choice of one topping; sprinkles, nuts or fresh fruit.
Part 1: How many different ice creams combinations could you create?
Part 2: What is the probability that someone would choose sprinkles and fresh fruit?
Part 1: There are 12 combinations.
Part 2: The probability is 8/12 or 2/3.
300
A spinner is divided into 8 equal sections as shown.
What is the probability that the spinner will land on a section that is three digit number and then land on a section that is negative?
The probability is 1/32 or 0.031 or 3.1%.
300
A box contains 4 yellow, 7 red, 5 green, and 6 blue colored pencils. A colored pencil is chosen at random, it is not replaced, then another is chosen. What is the probability of choosing a red followed by a green?
Give your answer as a percent rounded to the nearest TENTH of a percent.
The probability is 7.6% (35/462)
300
Robert will roll a cube labeled 1-6, 300 times. About how many times can he expect to roll a number less than 3?
He could expect to roll a number less than 3, 100 times.
400
Bojangles has a drawing twice a month for a $25 gift card. There are 200 names in the drawing this week. KeShaun put his name on 15 pieces of paper. What is the probability that KeShaun's name will be drawn out of the box?
Write your answer as a PERCENT!
The probability is 7.5%.
400
The probability is 1/4.
400
A coin is tossed and a number 1-8 is chosen at random. What is the probability of getting tails and a number greater than 2?
Write your answer as a SIMPLIFIED fraction.
The probability is 3/8.
400
Shawn has 10 black socks, 6 blue socks, and 2 brown socks in his drawer. He selects 1 sock and then another without replacing the first. What is the probability he will select 2 blue socks?
Write your answer as a fraction in SIMPLIEST form.
The probability is 5/51.
500
A spinner has 4 sections, numbered 1 through 4. The table below shows the results of 30 spins.
On the next spin, what is the probability that the spinner lands on a number greater than 2?
The probability is 3/5 or 0.6 or 60%.