Show:
Theoretical
Experimental
Predictions
Vocabulary/Definitions
Compound Events
100
Maria is flipping a coin.  What is the theoretical probability the coin will land on heads?
What is 1/2, 0.5, or 50%?
100
Layla flipped a coin 10 times and landed on heads 4 times. What is the experimental probability of landing on heads?
What is 2/5, or 0.4, or 40%?
100

If you flip a coin 10 times, about how many times should it land on heads?

5
100

There is a 20% chance that it will rain today.  Describe the probability.

What is unlikey?

100

What is the probability that I flip heads on a coin, then roll a 2 on a die?

1/12

200

What is the probability that I roll a standard die and get a number greater than 2?

What is 2/3, or 0.666..., or 66.666...%?

200
Jason rolled a die twenty times. He landed on 2 five times, 3 seven times,  6 two times, and 5 six times. What is the experimental probability of landing on 6?
1/10, 0.1, or 10%
200
You have a spinner with four equal sections that are blue, red, green, and yellow. If you spin it 100 times, about how many times should you land on yellow?
25 times
200

Define "experimental probability."

Based on what has already happened.

200

There are 2 green, 2 red, 5 blue and 1 orange marbles in a bag.  I pick 2 marbles from t bag without replacing the first.  What is the probability that I pick a blue, then a green?

1/9

300

You are assigned to a random class in your schedule for your state testing site.  What is the probability that you will be placed in one of your core classes (math, ELA, SS, or Sci?

What is 4/9, 44.4....%, or 0.444...?

300
A letter tile is randomly selected from a bag, recorded, and replaced 100 times. The results are listed below. What is the experimental probability of selecting the letter "E"? A = 16 E = 11 I = 29 O = 19 U = 25
11/100 or 0.11, or 11%
300

Trent has 30 marbles in a bag. The theoretical probability of choosing a green or blue marble is 5/6. How many marbles are blue or green?

25 blue or green marbles

300

Define "theoretical probability"

The probability that you expect to happen

300

I roll a standard die twice in a row.  What is the probability that I get an even number, then a 7?

0%

400

On a gameshow there is a 4% chance that someone will be selected to participate.  Predict how many participants there will be if 250 people attend the gameshow.

What is 10 people?

400
Pedro recorded the types of birds that visit his bird feeder. Based on the results below, what is the probability the next bird will be a chickadee? Woodpecker = 3 Chickadee = 5 Cardinal = 1 Sparrow = 13 Blue Jay = 3
1/5, or 0.20, or 20%
400
There are 20 students in Ms. Williams class. The theoretical probability of choosing a female student to answer a question is 40%. How many girls are in the class?
8 girls
400

Come up with an event that would be described as certain to happen.

Answers will vary...

400

I have a drawer with 6 black sock and 8 white socks.  what is the probability that I pick two socks at random where one is black and one is white?

24/91

500

At a carnival the probability of choosing a winning duck from a game is 24%.  There are 25 ducks in the game. How many ducks in the game are NOT winning ducks?

What is 19 ducks?

500

You have won 15 out of your teams last 20 soccer games.  If this trend continues, how many games can you expect to win if you have 8 games left in your season?

What is 6 games?

500
Carley has a 0.2 chance of winning Ms. Williams raffle. If there are 30 tickets in the bucket, how many of the tickets have Carley's name on it?
6
500

What do you call the type of event where more than one event is occuring? (Ex: rolling two dice)

Compound event

500

What is the probability of rolling a total of 7 on two standard dice?

1/6