Mystery
I have 2 blue pencils, 3 red pencils, and 4 black pencils. What is the probability that I will pick a red pencil?
What is 3/9 or 1/3?
1/2 changed to a decimal
What is .50?
Show two fractions that are equal to 1.
1/1, 2/2, 3/3, 4/4, 5/5, 6/6, 7/7, etc.
The chances of a coin landing heads is 50%.
What is theoretical?
What is the probability of a coin landing on tails?
1/2 or 0.5 or 50%
Complete this number line
|______|______|______|_______|
-10 10
What is
|_____|_____|_____|_____|
-10 -5 0 5 10
3/8 to a decimal
What is .375?
A spinner is divided into 3 sections. There is a 1/4 chance of landing on blue and 2/3. What is the chance of landing the other color?
1/12
In 2011, 39 people died by being struck by lightning, and 241 people were injured. There
were 310,000,000 people in the United States. The probability of getting struck by lightning in a given year is 280/310,000,000 or 0.0000009 or 0.00009%
What is experimental?
There are 4 green marbles, 5 blue marbles, and 3 red marbles in a bag. What is the chance of choosing a blue marble?
5/12 or 61.7%
If I triple my number, take away 4 and I get 23. What is my missing number?
What is 9?
.36 into a percent
Which fraction is bigger?
4/5 or 3/4
What is 4/5?
A baseball batting average is the probability a baseball player hits the ball when batting. If
a baseball player has a batting average of 266, it means the player’s probability of getting
of getting a hit is 0.266.
What is experimental?
There are 4 green marbles, 5 blue marbles, and 3 red marbles in a bag. What is the chance of choosing a green marble?
4/12 or 1/3 or about 33%
The probability of getting a green crayon in a box with: 5 black, 3 white, 7 red, 2 yellow, 3 blue, and 4 green.
What is 4/24 or 1/6?
7/25 into a percent without changing it to a decimal
What is 28%?
Find the sum of these two fractions.
1/2 + 2/6=
What is 5/6?
Sara is at a picnic and reaches into an ice chest, without looking, to grab a can of soda.
There are 14 cans of orange, 12 cans of fruit punch, and 10 cans of cola. She has a 12/36 or 1/3 chance of getting a fruit punch.
What is theoretical?
There are 4 green marbles, 5 blue marbles, and 3 red marbles in a bag. What is the chance of choosing a green or blue marble?
9/12 or 3/4 or 75% or 0.75
In a medical study, 107 people were given a new vitamin pill. If a participant got sick, they
were removed from the study. Ten of the participants caught a common cold, 2 came down
with the flu, 18 got sick to their stomach, and 77 never got sick. The probability of being sick while in this study is _________.
What is 30/107?
What is 9/20?
Find the lowest common denominator for these two fractions.
5/12 and 3/15
what is 60?
A fair number cube marked 1, 2, 3, 4, 5, and 6 is rolled. Tyler tossed the cube 40 times,
and noted that 26 times an even number showed. The experimental probability that an even number will be rolled is__________. The theoretical probability is ________.
What is 26/40 or 13/20 or 65%? What is 1/2 or 50%?
A claw machine has 64 items in it. The machine is set up so that the winner has a 1/8 chance of getting a yo-yo. How many yo-yos are in the machine?
8 yo-yos