Simple probability
What is the probability of flipping a fair coin and it landing on heads?
1/2 = 50%
What is the total number of outfit combinations you can make from 3 shirts and 2 pairs of pants.
6 Combinations
Saying that mathematically something should happen. Experimental or Theoretical? Explain.
Theoretical ( should )
If the probability of winning a game is 1/4, what is the number of times you would expect to win if you play 12 times.
3 times
What do you call a diagram that uses lines to show all the possible branches of outcomes for a compound event?
A tree diagram.
A bag has 4 red, 5 blue, and 1 green marble. What is the probability of picking a green marble?
1/10 = 10%
A restaurant offers 4 appetizers and 5 main courses. What is the total number of 2 course meal combinations possible.
20 Combinations.
What actually happens when you collect the data. Experimental or Theoretical? Explain.
Experimental ( actually )
A basketball player makes 2 out of every 5 free throws. What is the expected number of makes out of 25 attempts.
10 free throws.
What do you call a complete mathematical set of all possible outcomes in a probability experiment.
Sample Space.
A standard 6-sided die is rolled. What is the probability of rolling a number greater than 4?
2/6 = 33.3%
The number of ways to customize a bike if you choose from 3 frame sizes, 4 colors, and 2 seat types.
24 Combinations.
You flip a coin 20 times and it lands on heads 12 times. What is the experimental probability of landing on heads.
12/20 = 60%
In a sample of 20 students, 5 are wearing glasses. Predict how many students wear glasses in a school of 400.
100 students wear glasses.
Write the complete sample space for flipping a single coin twice.
Heads-Heads, Heads-Tails, Tails-Heads, and Tails-Tails (HH, HT, TH, TT) - 4 Possibilities
A spinner is divided into 8 equal sections numbered 1 through 8. What is the probability of spinning an odd number.
4/8 = 50%
A deli has 4 types of bread, 3 types of cheese, and 5 types of meat. The total number of sandwich combinations if you pick one of each.
60 Combinations
You roll a die 60 times. Theoretically, how many times you expect to roll a 3?
10 times.
A factory finds 2 defective toys in a batch of 50. Predict the number of defective toys in a shipment of 1,000.
40 toys are defective.
An area model or table is best used to map the sample space for how many number of events.
Two events.
What is the probability of picking the letter 'B' at random from the word "PROBABILITY".
2/11 = 18.18%
You flip a coin, roll a 6-sided die, and spin a 4-color spinner. The total number of possible outcomes.
48 Combinations
As you increase the number of trials in an experiment, What happens to the experimental probability value?
It gets closer to the theoretical probability value.
You pull 3 red, 4 blue, and 3 green marbles from a bag with replacement. If you draw 50 more times, predict how many will be blue.
20 blues marbles.
Draw a tree diagram for flipping 3 coins, what is the is the total number of final outcome branches you will have at the end?
8 outcomes.