having a probability of 100%
certain
Probability will always be between what two values?
0 and 1
Find the probability.
A jar of marbles contains 5 red, 8 green, and 7 blue marbles. What is the probability of drawing a red marble?
¼ , 0.25 , 25%
20 students went to the park. 10 of them wore hats, 12 of them wore jackets, and 3 of them wore both. Represent this situation in a Venn Diagram.
Hats only: 7
Jackets only: 9
Middle: 3
Outside: 1
The tree diagram shows the outcomes of rolling a die and flipping a coin. How many total outcomes are there?
12 possible outcomes
Find the total number of possible outcomes.
A customer can buy a laptop, desktop, a tablet, or a phone. Each can be purchased with or without an extended warranty. Each has 4 different storage capacities.
How many options does the customer have?
32 options
This is my ____ year at the College.
2nd
the list of outcomes for a probability experiment
sample space
The sum of the probabilities of all outcomes in a sample space is ____.
Find the probability.
A pouch has: 12 pencils, 5 pens, and 3 highlighters. What is the probability of drawing a pencil?
3/5 , 0.6 , 60%
There are 30 people on a city bus. 20 of them are going to work, 10 of them are wearing slacks, and 5 of them are neither going to work nor wearing slacks. Represent this in a Venn Diagram.
Only work: 15
Only slacks: 5
Work and Slacks: 5
Outside: 5
Make a list for the situation.
The final two performances in a concert will include a brass performance and a strings performance. The brass performance will be either a solo, duet, or trio. The strings performance will be either harp or violin.
solo - harp
solo - violin
duet - harp
duet - violin
trio - harp
trio - violin
Pizza Palace offers personal, medium, or large pizzas with 7 different toppings available. How many different 1-topping pizzas do they serve?
21 pizzas
What is my favourite colour?
purple
a) probability calculated from performing experiments
b) probability based on logical reasoning
a) experimental probability
b) theoretical probability
Determine if the probability statement is valid or not.
The probability for getting each of the three possible letters on the next draw are 43% A, 9% B, and 48% C.
valid
Find the probability.
A jar of marbles contains 5 red, 8 green, and 7 blue marbles. What is the probability of drawing a marble that is not blue?
13/30 , 0.65 , 65%
A badminton club has 31 playing members. 28 play singles and 16 play doubles. Represent this as a Venn Diagram.
Only singles: 15
Only doubles: 3
Singles and doubles: 13
Outside: 0
Make a tree diagram for the situation.
A dinner has three different combos: hot dog, burger, or pizza. The combos include a drink, either milk, water, or soda. A dessert is also included. The dessert options are ice cream, cake, or pudding.
Find the total number of possible outcomes.
Nathalie is picking one book from each category to read over summer. She can choose from among three classics, two science fictions, five Christian fictions, and twelve biographies?
How many outcomes does Nathalie have?
360 outcomes
Without looking it up, spell my last name.
NGUYEN
the opposite of an event
e.g. rolling a 6 --> NOT rolling a 6
complement
Explain why the following statement of probability is not valid.
The probability of winning a door prize is 1.5
Probabilities will always be between 0 and 1.
Find the probability.
A spinner has the odd numbers from 1 to 11. What is the probability of spinning a 3?
1/6 , 0.17 , 17%
A survey of 21 farms showed that 15 grow crops, 9 have cattle, and and 11 have sheep. 4 have sheep and cattle, 7 have cattle and crops, and 8 have sheep and crops. 3 have cattle, sheep, and crop. Find the number of farms with only animals.
1+2+1=4
Make a list for the situation.
David is taking a 3-question true or false quiz. How many possible ways are there for him to answer the four questions?
true - true - true
true - true - false
true - false - true
true - false - false
false - false - false
false - false - true
false - true - false
false - true - true
There are 6 different packages available for school pictures. The studio offers 5 different backgrounds and 2 different finishes. How many different options are available?
60 options
Other than Maths, what subject am I trained to teach?
language
two events that share no outcomes
Mutually exclusive events
Explain why the following statement is not valid.
The probabilities for receiving each of the three colours in a gumball machine are 1/3 red, 25% blue and 0.47 yellow.
Probabilities adding to more than 1
Find the probability.
A spinner has the odd numbers from 1 to 11. What is the probability of spinning a number less than or equal to 5?
½ , 0.5 , 50%
A bouquet shop is arranging 40 bouquets with red, yellow, and purple flowers. 10 bouquets are using all three colors, 15 are using red and yellow, 11 are using red and purple, and 12 are using yellow and purple. There are 31 with red flowers and 21 with yellow flowers. Find the probability that a randomly selected bouquet has only purple flowers.
40-(10+1+2+5+15+4)=3
P(X)=3/40
Jason can choose 1 pair of pants and one shirt to wear today. Make a tree diagram with his choices.
At Papa John's you are deciding on what you want for dinner. The pizza offers 8 different meats, 4 different cheeses, 3 different crust types and 2 different sauces. How many different pizzas do you have to choose from?
192 pizzas
Without looking it up, what number follows my name in my school email address?
36