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Simple Events
Compound Events
Experimental Probability
Vocabulary
100
Joey has won 3 out of the last 8 games of cards he has played with his brother. If they play 16 more games, how many of those games does Joey expect to win?
What is 6
100
All 20 students in Mrs. Robinson’s 1st grade class put their name in a hat. Each day, Mrs. Robinson randomly selects a name…and that student gets to pass out papers for the day. If there are 180 school days in the year, how many times do you think each student will get to be the “paper-passer?”
What is 9
100
if the experimental probability that Sharon will hit the softball when it is pitched to her 45%. If she is at bat 40 times this season, how many hits can she expect to get?
What is 18
100

Give the definition of experimental probability

What is when the event actually happens

200
The probability Brenda will receive a telemarketing call is 15%. If she gets 20 calls a day, how many can she expect to be telemarketing calls.
What is 3
200
It’s been found that there is a 15% chance (3 out of 20) that you can win a particular game. How many “wins” would you have if you played 50 times?
What is 8
200
The experimental probability that a blue car will pass in front of Joe's house is 25%. If 24 cars pass Joe's house on Tuesday , how many of the cars are expected to be blue?
What is 8
200
Describe the difference between a simple event and a compound event
What is simple is when one thing happens and compound is more than one thing
300
A principal randomly chose 40 students from 5th grade. Of theses students 9 were wearing watches. Based on this information, what is the most reasonable prediction of the number of students wearing watches in a group of 120 students from 5th grade.
What is 27
300
Mr. Seidel puts colored markers in a box (5 green, 6 black, and 1 red) and will have students pick one and record the color. How many times do you think it will take until the red marker has been picked 5 times?
What is 60
300
A bag contains 5 red marbles, 6 blue marbles, and 4 green marbles. Susie selects a marble and returns it to the bag before selecting another marble. If Susie selects a red marble 6 out of 20 times, what is the experimental probability that the next marble she selects will be a red marble?
What is 30%
300
Give the definition of theoretical probability
What is what should happen
400
Last season Marty made 60% of the free throws in his basketball games. In the first two games this season he got to shoot 15 free throws. If his free throw percentage holds from last season, about how many free throws did Marty make during these two games.
What is 9
400
If you rolled a dice 48 times, how many times would you predict not to roll a six?
What is 40
400

The experimental probability that it will rain in a city is 30%. How many days can the city not expect rain during the next 10 days.

What is 7

400
What is a sample space
What is Total number of outcomes
500

3 days a week, Mr. Langley arrives home from work before 6 pm. Based on this information, about how many times out of 20 work days should he expect to be home before 6pm?

What is 12

500
The local weather forecaster says she can predict whether it will rain with 80% accuracy which is equivalent to a 0.8 chance of being correct. If she forecasts rain 160 times, how many of these times would you expect she is wrong?
What is 32
500
Sheila and her study partner flipped a coin 120 times. They flipped 70 heads and 50 tails. What is the experimental probability that the next flip will be heads up as a percent?
What is 58.33%
500
What is probability?
What is the likelihood of an event occuring