Theoretical Probability
A 6-sided die is rolled. What is the probability that the die lands on a 3?
1/6
The store sold 4 Taki's, 12 Flaming Hot Cheeto's, and 4 Turbo's. Predict how many of the next 100 sales will be Taki's.
20 of the next 100 sales will be Taki's.
Billy shot the basketball 100 times, and made 48 shots. Based on this data, what is the relative frequency of Billy's missed shots?
52 out of 100 shots were missed. 52%.
What is the difference between relative frequency and theoretical probability?
A 6 sided die is rolled. What is the probability of a 2, 3, or 4?
3/6
In the gamer club, 8 kids played Fortnite, 2 kids played NFL Madden, and 6 kids played Super Smash Bro's. Predict how many of the next 20 kids in gamer club will be playing Fortnite.
10 of the next 20 kids will play Fortnite.
Julio rolled a pair of dice 10 times. 6 of those rolls had an even sum. What is the relative frequency of having an odd sum in Julio's dice rolls?
4 out of 10 rolls were odd sums. 40%.
What is more likely to happen: tossing a coin and landing on heads, or rolling a dice and landing on a 3?
You pick 1 card at random in a standard deck of 52 cards. What is the probability that the card is a King, Queen, Jack, or Ace?
16/52
The store sold 18 Xbox's, 22 Ps4's, and 4 Nintendo Switches. Predict how many of the next 100 sales will be a Ps4.
50 of the next 100 sales will be a Ps4.
A. J. played a game at a vending machine to try and grab stuffed animals. He played 50 times, and won a toy only 12 times. What is the relative frequency of A. J. winning a toy?
12 out of 50 or 24%.
If a plane was flying from United States to Canada, and it crashed right in between the two countries, where do you bury the survivors?
You don't bury survivors, because they survived and are still alive.
A spinner has 13 sections, labeled 1 through 13. What is the probability that the spinner lands on an odd number?
6/13
At a shoe store, the 10 customers were wearing Nike, 3 Addidas, and 2 Reebok. Predict how many of the next 42 customers will be wearing Addidas or Reebok.
14 of the next 42 customers will be wearing Addidas or Reebok.
In a bag of 1000 marbles, Brandon pulled out 200. Of his 200 marbles, 34 were green, 66 were yellow, and 100 were purple. Using his data, what is the relative frequency of pulling a green marble?
34 green marbles out of 200 pulls, or 17%
A number cube is rolled. What is the complement to rolling a value less than 3?
Mr. Spender's History class has 43 students. 20 are boys and 23 are girls. Only 12 students in the class wear glasses. If Mr. Spender randomly chose a student, what is the probability that the student wears glasses?
12/43
If 2 coins are flipped 16 times, what is the best prediction of the number of times the coins will land on Tails-Heads?
4 out of the next 16 coin flips will be Tails-Heads.
Cynthia was sneakily eating skittles in her math class. She pulled out 24 green skittles, 12 red skittles, 9 yellow skittles, and 5 orange skittles while her teacher wasn't looking. What is the relative frequency of green skittles?
24 out of 50, or 48%.
Two coins are tossed and a number cube labeled 1-6 is rolled. What is the probability of tossing tails at least once and rolling a number greater than 4?
1/4