Vocabulary
What is expected to happen based on the ratio of favorable outcomes to total possible outcomes.
What is theoretical probability?
The probability (as a percent) of flipping a coin and landing on tails.
What is 50%?
Answer the question using the data.
Question:
What is the experimental probability of spinning a space with a number less than 5? (Answer as a fraction in simplest form)
Data: A spinner with 12 equal sections was spun 90 times.
Space # - Result
1 - 5
2 - 10
3 - 6
4 - 7
5 - 4
6 - 3
7 - 12
8 - 11
9 - 8
10 - 15
11 - 4
12 - 5
What is 14/45?
Simple or or Compound:
Rolling a dice, then spinning a spinner.
What is compound?
0.5 as a percent.
What is 50%?
What actually happens in an event. This is expressed as the ratio of favorable trials to total number of trials for an event.
What is experimental probability?
The probability (as a decimal) of spinning a spinner with sections labeled 1 to 4 and landing on 3.
What is 0.25?
Answer the question using the data.
Question:
What is the experimental probability of spinning a space with an even number? (Answer as a fraction in simplest form)
Data: A spinner with 12 equal sections was spun 90 times.
Space # - Result
1 - 5
2 - 10
3 - 6
4 - 7
5 - 4
6 - 3
7 - 12
8 - 11
9 - 8
10 - 15
11 - 4
12 - 5
What is 17/30?
Simple or or Compound:
Rolling a dice.
What is simple?
The likelihood (certain, unlikely, ect.) of flipping a coin and landing on heads.
What is an even chance?
All the possible outcomes of an event.
What is sample space?
The probability (as a fraction in simplest form) of rolling a 6-sided dice and landing on a number less than 5.
What is 2/3?
Answer the question using the data.
Question:
What is the experimental probability of spinning a space with a number greater that than 10? (Answer as a fraction in simplest form)
Data: A spinner with 12 equal sections was spun 90 times.
Space # - Result
1 - 5
2 - 10
3 - 6
4 - 7
5 - 4
6 - 3
7 - 12
8 - 11
9 - 8
10 - 15
11 - 4
12 - 5
What is 1/10?
Independent or Dependent:
Randomly selecting a card from a standard deck, putting it back, and selecting another.
What is independent?
0.333333... as a fraction. (In simplest form)
What is 1/3?
Acting out an event to test likelihood.
What is trial?
The probability (as a decimal) of spinning a spinner labeled 1 to 10 and landing on a number greater than 6.
What is 0.4?
Answer the question using the data.
Question:
What is the experimental probability of spinning a space with the number 10? (Answer as a fraction in simplest form)
Data: A spinner with 12 equal sections was spun 90 times.
Space # - Result
1 - 5
2 - 10
3 - 6
4 - 7
5 - 4
6 - 3
7 - 12
8 - 11
9 - 8
10 - 15
11 - 4
12 - 5
What is 1/6?
Independent or Dependent:
Randomly selecting a card from a standard deck, putting it to the side, and selecting another.
What is dependent?
The likelihood (certain, unlikely, ect.) of rolling a 6-sided dice and landing on 5.
What is unlikely?
The use of data collected to predict the probability of a chance event.
What is relative frequency?
The probability (as percent) of buying 42 out of 50 raffle tickets and winning a prize.
What is 84%?
Answer the question using the data.
Question:
What is the experimental probability of spinning a space with a prime number. (Answer as a fraction in simplest form)
Data: A spinner with 12 equal sections was spun 90 times.
Space # - Result
1 - 5
2 - 10
3 - 6
4 - 7
5 - 4
6 - 3
7 - 12
8 - 11
9 - 8
10 - 15
11 - 4
12 - 5
What is 41/90
If an event has a probability of 100% it is ______ to happen.
What is certain?
0.125 as a fraction.
What is 1/8?