How many possible outcomes are there when you toss a coin?
What is
2
100
Blue 4, Red 6, Green 4, Orange 5, Yellow 5
Experimental Probability of Orange?
What is
5 to 25
100
Use a number cube to determine the theoretical probability of the event.
Rolling a 2
What is
1 to 6
100
Tell whether the events are independent or dependent. Explain.
1. You spin a game spinner twice.
First Spin: blue
Second Spin: yellow
What is
Independent
The outcome of the second event is not affected by the first outcome.
100
Tell whether the events are independent or dependent. Explain.
1. You roll a number cube twice.
First Roll: Even
Second Roll: Even
What is
Independent
the two events are not affected by the other one.
200
In order to figure out who will go first in a game, your friend asks you to
pick a number between 1 and 25.
What are the favorable outcomes for picking an even number?
What is
2,4,6,8,10,12,14,16,18,20,22,24
200
Blue 4, Red 6, Green 4, Orange 5, Yellow 5
Experimental Probability of Red?
What is
6 to 24 = 1 to 4 (25%)
200
Use a number cube to determine the theoretical probability of the event.
Rolling a 5
What is
1 to 6
200
Tell whether the events are dependent or independent. Explain
You pick a name out of a hat and then pick a second name.
What is
Dependent
The probability changed for the second outcome because the first name was not placed back in the hat.
200
Dependent or independent. Explain.
You and a friend are playing a game. You both randomly draw a playing piece and you get to draw first.
Your Draw: red piece Friend’s Draw: blue piece
What is
Dependent
You drew a piece which changes the probability for your friend.
300
In order to figure out who will go first in a game, your friend asks you to
pick a number between 1 and 25.
What are the possible outcomes?
What is
all numbers from 1 - 25
300
There are 25 students’ names in a hat. You choose 5 names. Three are boys’ names and two are girls’ names. How many of the 25 names would you expect to be boys’ names?
What is
15
300
Use a number cube to determine the theoretical probability of the event.
Rolling an even number
What is 1 to 2
300
You randomly choose to take a flower out of a vase to take home. Then your friend does. What is the probability that you will both pick a purple flower.
purple = 7
pink = 6
Yellow = 7
What is
7 to 20 x 7 to 19
49 to 380
approx. 13%
300
Find the probabillity of
Rolling a 5 and then a 3
What is
1 to 36
400
In order to figure out who will go first in a game, your friend asks you to
pick a number between 1 and 25.
What are the favorable outcomes for choosing a number less than 10?
What is
1,2,3,4,5,6,7,8,and 9
400
You must stop at 3 of 5 stoplights on a stretch of road. If this trend
continues, how many times will you stop if the road has 10 stoplights?
What is
6
400
Use a number cube to determine the theoretical probability of the event.
Rolling a number less than 7
What is
6 to 6
1
100%
400
You have a full deck of playing cards. Create an event whcih shows dependent probability.
What is
answers will vary
400
What is the probability of
Rolling an even number on each roll
What is
9 to 36
1 to 4
25%
500
A bag is filled with 4 red marbles, 3 blue marbles, 3 yellow marbles, and 2 green marbles. You randomly choose one marble from the bag. (a) Find
the number of ways the event can occur. (b) Find the favorable outcomes of the event.
Choosing RED
What is
4
Red, Red, Red, Red
500
Your teacher has a large box containing an equal number of red and blue folders. There are 24 students in your class. The teacher passes out the folders at random. Ten students receive a red folder. Compare
the experimental probability of receiving a red folder with the theoretical probability of receiving a red folder
What is
Experimental 5 to 12
Theoretical 1 to 2
500
A spinner with 8 equal sections numbered 1-8 is used for a game. Determine if the game is fair. If it is not fair, who has the greater probability of winning?
You win if the number is less than 4. If it is not less than 4, your friend wins.
What is
Not Fair
Friend has a 5 to 8 chance and I only have a 3 to 8 chance.
500
During a card trick, your friend asks you to pick two cards. A deck of cards has 52 cards and is divided evenly into four suits: hearts, diamonds, clubs, and spades. What is the probability that the first pick is a heart and the second is a diamond?
What is
1 to 4 x 13 to 51
13 to 204
13%
500
What is the probability of spinning 1, then a 2, and then an even number on a spinner with equal spaces numbered 1-8?