Likelihood
What is on the ends of the numberline
Impossible and Certain
What actually happens
experimental probability
There are 4 green marbles and 7 silver marbles in a bag. You randomly choose one of the marbles. What is the probability of choosing a green marble?
7/11
All the possible outcomes of an event is…
The sample space
3 × 4 × 5
60
The probability of an event is 15%. Describe the likelihood of the event.
Unlikely
What is expected to happen
Theoretical probability
What is compound probability
two or more events happening at once Example: rolling a dice and spinning a spinner
If you roll a die and flip a coin how many outcomes are there?
12
Factor 8 out of 8x + 40 .
8(x+5)
What does 1 fall under
Certain
What is the probability of spinning a 2 on a spinner labeled 1-5?
1/5
You roll a six-sided number cube and flip a coin. What is the probability of rolling a number greater than 5 and flipping heads?
1/12
If you flip a coin how many outcomes are there?
2
How many ways can rolling a prime number happen on a die?
3 different ways
for unlikely and likely does the fraction have to be exactly 1/4 or 3/4?
No, it has to be closer to 1/4 or 3/4 instead of 1/2
You randomly draw a marble from a bag, record its color, and then replace it. You draw a red marble 7 out of 25 times. What is the experimental probability that the next marble will be red?
7/25 or 28%
There are 7 yellow marbles and 10 blue marbles in a bag. You randomly choose one of the marbles. What is the probability of choosing a yellow marble?
7/17
You choose between red, blue, yellow, or green wallpaper and purple or yellow carpet. Find the total number of possible outcomes when you select one color of wallpaper and one color of carpet.
8
What is 10% of 43?
4.3
The probability of an event is 84%. Describe the likelihood of the event.
Likely
If a fair coin is flipped what is the theoretical probability of it landing on heads?
1/2
To win the jackpot you must match five numbers from 1 to 40. What is the probability that you will win the jackpot?
1/102,400,000
You are ordering pizza. You can choose a small, medium, or large pizza and you can choose cheese or pepperoni. How many outcomes are there?
6
12x + (-3)=57
What is x equal to?
x=5