Theoretical Probability
This is the probability of rolling a 4 on a number cube.
What is 1/6?
The likelihood of the sun shining at midnight in Indianapolis.
What is impossible?
A spinner with the letters A, B, C, and D is spun 25 times. The results are below:
A- 5 B-12
C-1 D-7
What is the experimental probability of landing on C?
On a map, the scale is 1 inch is equal to 30 miles. If the distance between 2 cities on the map is 6 inches, what is the actual distance in miles?
What is 180 miles?
Solve this proportion:
184/220= 42/x
x= 49.94
When rolling a fair number cube:
P(3 or 5)
2/6 or 1/3
The likelihood of you taking your Quarter 4 Benchmark.
What is certain?
You flip a coin 50 times and get heads 36 times. This is the experimental probability of getting heads as a PERCENT.
What is 72%
A model of a rocket uses a scale of 1 cm for 16 feet. How tall is the rocket if the model is 5 1/2 inches tall.
What is 88 ft tall?
Solve this proportion:
x/1.5 = 18/6
X= 4.5
A spinner has 6 spaces of equal size.
Red, White, Blue, Orange, Green, Grey.
This is the probability of getting white.
1/6
In a classroom of 26, this is the likelihood of the teacher calling on you at random.
Mr. Green's class was asked for their favorite school lunch. There are 24 students in his class and 18 said pizza.
There are approximately 500 students in the school. How many are likely to choose pizza as their favorite?
375
A toy traincar is 6 inches long. If the scale is 1 in= 7 feet, how long is the train car in real life?
Solve this proportion:
x/36 = 16/64
x=9
When flipping a coin:
p(heads and tails)
0
A jar has 200 jellybeans: 62 are green, 21 are red, and the rest are blue.
This is the likelihood of picking a blue jelly bean.
Draw a Tree Diagram to represent all the outcomes for flipping a coin 4 times.
Check tree diagrams
A model of tree house is 3/4 of a foot tall If there is a scale factor of 12, how tall is the treehouse?
What is 9 ft.
A telephone pole is 30 feet tall and has a 10 foot shadow. Nearby a sign is 3 feet tall. How long is the shadow of the sign?
What is 1 foot?
You have blue jeans and white jeans.
You have a pink shirt and a grey shirt.
You have sandals or crocs.
If you choose at random, what is the probability of getting blue jeans, a pink shirt, and crocs.
1/8
This is the likelihood of flipping a coin and getting a prime number.
How many possible meals can be made?
What is 48 meals?
The measurement of a wall on a blue print is 7 inches. The same wall is actually 168 inches. This is the scale factor.
What is 24?
Mr. Smith is 70 inches tall and his shadow is 112 inches long. If his son has a shadow with a length of 105.6 inches, how tall is his son?
What is 66 inches tall?